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{max-width:100%;}\r\n }\r\n <\/style>\r\n<\/head>\r\n<body>\r\n<div class=\"container\">\r\n <section class=\"hero-section\">\r\n <h2 class=\"hero-title\">PU Injection Process: Ultimate Analysis & Defect Elimination Guide<\/h2>\r\n <div class=\"intro-card\">\r\n PU injection forming defect control is the core of stable mass production. Over 89% of uneven hardness, internal void and warpage defects are caused by unstable metering, temperature and injection flow instead of raw material formula. Combined with ASTM & domestic PU standards, this article explains three core control rules and real factory renovation data for reference.\r\n <\/div>\r\n <div class=\"post-date\">Technical Article | June 2026 Haifeng Machinery<\/div>\r\n <div class=\"img-container hero-img\">\r\n <img src=\"https:\/\/haifengmachine.com\/wp-content\/uploads\/2026\/06\/\u704c\u6ce8\u539f\u74061.png\" alt=\"PU injection forming principle diagram\" loading=\"lazy\" decoding=\"async\" title=\"\">\r\n <p class=\"caption\">Figure1: PU injection core forming principle schematic<\/p>\r\n <\/div>\r\n <\/section>\r\n\r\n <section class=\"section\">\r\n <h2 class=\"section-title\">1 Three Core Physical Control Principles & Standard Parameters<\/h2>\r\n <div class=\"content-block\">\r\n <p>All PU foaming defects derive from out-of-limit process parameters, three quantified industry execution standards as below:<\/p>\r\n <ol>\r\n <li><strong>Metering & Mixing Control:<\/strong> A\/B component allowable deviation \u2264\u00b10.5%; open-loop gear pump under 8h continuous production normally generates 2.5%~3.2% ratio drift, leading to hardness deviation over 7 Shore A; mixing head speed \u22653500rpm to reach \u226599% mixing uniformity, insufficient shear causes enclosed air bubbles.<\/li>\r\n <li><strong>Temperature Control:<\/strong> Polyol 52~58\u2103, Isocyanate 58~64\u2103, ambient workshop fluctuation controlled within \u00b12\u2103; single 2\u2103 temperature shift changes raw viscosity by 18%+, trigger inconsistent cream time and uneven foaming; whole pipeline heat preservation required to avoid local cold spot.<\/li>\r\n <li><strong>Injection Flow & Laminar Control:<\/strong> Adopt segmented dynamic injection curve, initial high flow for cavity filling, mid\/late low-speed laminar advancing; flow velocity over rated value creates turbulent flow and entrapped air, too slow leads short-shot underfilling.<\/li>\r\n <\/ol>\r\n <p><strong>Common hidden risks from out-of-spec parameters:<\/strong> Ordinary open-loop gear pump under long-time production, ratio error usually reaches 2%~4%, scrap rate stays at 8.2%~15.7%.<\/p>\r\n <\/div>\r\n <\/section>\r\n\r\n <section class=\"section\">\r\n <h2 class=\"section-title\">2 Three Practical Factory Renovation Cases<\/h2>\r\n <div class=\"content-block\">\r\n <h3>Case1 High-Density Memory Mattress Factory<\/h3>\r\n <p>Annual Output 450,000pcs, original open-loop gear pump equipment.<\/p>\r\n <ul>\r\n <li>Original Trouble: Daytime temperature rise leads 3% ratio drift, batch hardness difference up to 9.2 Shore A, reject rate 12.8%.<\/li>\r\n <li>Upgrade Plan: Servo closed-loop + Coriolis mass flowmeter + high-shear mixing head.<\/li>\r\n <li>Post-data: Ratio tolerance \u22640.43%, batch hardness \u22641.7 Shore A, scrap down to 0.69%.<\/li>\r\n <\/ul>\r\n <div class=\"img-container\">\r\n <img src=\"https:\/\/haifengmachine.com\/wp-content\/uploads\/2026\/06\/\u704c\u6ce8\u539f\u74062.png\" alt=\"Defective collapsed PU mattress\" loading=\"lazy\" decoding=\"async\" title=\"\">\r\n <p class=\"caption\">Figure2: Mattress collapse from ratio drift defect<\/p>\r\n <\/div>\r\n\r\n <h3>Case2 150mm+ Cold Chain PU Sandwich Panel<\/h3>\r\n <p>Large refrigeration equipment manufacturer.<\/p>\r\n <ul>\r\n <li>Original Trouble: Raw temp fluctuation \u00b13.5\u2103, panel density gap 35kg\/m\u00b3, warpage reject 8.7%.<\/li>\r\n <li>Solution: Three-layer jacket tank + full insulated hose + PLC line speed linkage.<\/li>\r\n <li>Post-effect: Density fluctuation \u22643.6kg\/m\u00b3, reject down to 0.52%.<\/li>\r\n <\/ul>\r\n <div class=\"img-container\">\r\n <img src=\"https:\/\/haifengmachine.com\/wp-content\/uploads\/2026\/06\/\u704c\u6ce8\u539f\u74063.png\" alt=\"Cold chain PU insulation panel\" loading=\"lazy\" decoding=\"async\" title=\"\">\r\n <p class=\"caption\">Figure3: Qualified cold storage sandwich panel<\/p>\r\n <\/div>\r\n\r\n <h3>Case3 Auto NVH Complex Cavity Damper<\/h3>\r\n <p>Auto precision component producer.<\/p>\r\n <ul>\r\n <li>Original Trouble: Fixed injection speed causes air trapping rate 10.3%.<\/li>\r\n <li>Improvement: PLC three-stage variable flow injection programming.<\/li>\r\n <li>Post-data: Internal bubble fully eliminated, pass rate 89.7%\u219299.5%.<\/li>\r\n <\/ul>\r\n <div class=\"img-container\">\r\n <img src=\"https:\/\/haifengmachine.com\/wp-content\/uploads\/2026\/06\/\u704c\u6ce8\u539f\u74064.png\" alt=\"Auto NVH PU damper part\" loading=\"lazy\" decoding=\"async\" title=\"\">\r\n <p class=\"caption\">Figure4: Finished automotive NVH damping component<\/p>\r\n <\/div>\r\n <\/div>\r\n <\/section>\r\n\r\n <section class=\"section\">\r\n <h2 class=\"section-title\">3 Industry-Based Equipment Selection Matrix<\/h2>\r\n <div class=\"content-block\">\r\n <table class=\"standard-table\">\r\n <thead>\r\n <tr>\r\n <th>Application Field<\/th>\r\n <th>Core Product<\/th>\r\n <th>Key Technical Requirement<\/th>\r\n <th>Recommended Equipment Configuration<\/th>\r\n <\/tr>\r\n <\/thead>\r\n <tbody>\r\n <tr>\r\n <td>Cold Chain Construction<\/td>\r\n <td>Insulation board, pipe shell<\/td>\r\n <td>High continuous flow stability, \u226590% closed-cell rate<\/td>\r\n <td>High-pressure multi-component machine + synchronous conveying line + full constant temp system<\/td>\r\n <\/tr>\r\n <tr>\r\n <td>Furniture & Bedding<\/td>\r\n <td>Memory foam, high resilience mattress<\/td>\r\n <td>Low-flow anti-drift, fast formula switching<\/td>\r\n <td>Servo closed-loop metering + Coriolis flowmeter + high-shear mixing head<\/td>\r\n <\/tr>\r\n <tr>\r\n <td>Auto Parts<\/td>\r\n <td>NVH damper, integral skin parts<\/td>\r\n <td>Gram-level precision, dynamic flow + MES docking<\/td>\r\n <td>Ultra-precision servo injection unit<\/td>\r\n <\/tr>\r\n <\/tbody>\r\n <\/table>\r\n <\/div>\r\n <\/section>\r\n\r\n <section class=\"section\">\r\n <h2 class=\"section-title\">4 Frequently Asked Practical Questions<\/h2>\r\n <div class=\"faq-section\">\r\n <details class=\"faq-item\" open>\r\n <summary class=\"faq-question\">Q1 Can partial refit replace full machine replacement?<\/summary>\r\n <div class=\"faq-answer\">A: Keep original frame and mixing head, upgrade closed-loop module only, save 55%~65% investment, scrap drop 60%~75%.<\/div>\r\n <\/details>\r\n <details class=\"faq-item\" open>\r\n <summary class=\"faq-question\">Q2 Suitable production workshop humidity?<\/summary>\r\n <div class=\"faq-answer\">A: 45%~63%RH; above70%RH raw material absorbs moisture and creates pinhole defects.<\/div>\r\n <\/details>\r\n <details class=\"faq-item\" open>\r\n <summary class=\"faq-question\">Q3 Meter calibration cycle?<\/summary>\r\n <div class=\"faq-answer\">A: Ordinary production every30d; auto precision parts every15d per ISO9001.<\/div>\r\n <\/details>\r\n <\/div>\r\n <\/section>\r\n\r\n <section class=\"section\">\r\n <h2 class=\"section-title\">\u0417\u0430\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u0435<\/h2>\r\n <div class=\"content-block\">\r\n <p>Eliminating mass-production foaming defects relies on systematic closed-loop control rather than raw material formula adjustment alone. Haifeng supplies customized process debugging and turnkey production solution according to actual workshop and product parameters.<\/p>\r\n <\/div>\r\n <\/section>\r\n\r\n <section class=\"cta-section\">\r\n <h3>Get Custom PU Injection Production Solution<\/h3>\r\n <p>Free process evaluation and equipment quotation available.<\/p>\r\n <a href=\"https:\/\/haifengmachine.com\/contact-us\" target=\"_blank\" rel=\"noopener noreferrer\" class=\"cta-btn\">Get Free Consult<\/a>\r\n <div class=\"contact-info\">\r\n <div class=\"contact-item\"><strong>\u042d\u043b\u0435\u043a\u0442\u0440\u043e\u043d\u043d\u0430\u044f \u043f\u043e\u0447\u0442\u0430<\/strong><a href=\"mailto:info@haifeng-automation.cn\">info@haifeng-automation.cn<\/a><\/div>\r\n <div class=\"contact-item\"><strong>\u041e\u0444\u0438\u0446\u0438\u0430\u043b\u044c\u043d\u044b\u0439 \u0441\u0430\u0439\u0442<\/strong><a href=\"https:\/\/www.haifengmachine.com\" target=\"_blank\">www.haifengmachine.com<\/a><\/div>\r\n <div class=\"contact-item\"><strong>WhatsApp<\/strong><a href=\"https:\/\/wa.me\/8613566296633\" target=\"_blank\" rel=\"noopener\">+86 13566296633<\/a><\/div>\r\n <\/div>\r\n <\/section>\r\n\r\n <div class=\"tags\">\r\n <a href=\"\/tag\/puinjection\/\" class=\"tag\">#PUInjection<\/a>\r\n <a href=\"\/tag\/pufoam\/\" class=\"tag\">#PUFoam<\/a>\r\n <a href=\"\/tag\/coldchaininsulation\/\" class=\"tag\">#ColdChainInsulation<\/a>\r\n <a href=\"\/tag\/autopartsproduction\/\" class=\"tag\">#AutoPartsProduction<\/a>\r\n <a href=\"\/tag\/mattressmanufacturing\/\" class=\"tag\">#MattressManufacturing<\/a>\r\n <a href=\"\/tag\/haifengmachinery\/\" class=\"tag\">#HaifengMachinery<\/a>\r\n <\/div>\r\n\r\n <footer>\u00a9 2026 Haifeng Polyurethane Machinery. \u0412\u0441\u0435 \u043f\u0440\u0430\u0432\u0430 \u0437\u0430\u0449\u0438\u0449\u0435\u043d\u044b.<\/footer>\r\n<\/div>\r\n<\/body>\r\n<\/html>\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"featured_media":6890,"template":"","meta":{"_acf_changed":false},"news-categories":[38],"class_list":["post-6886","news","type-news","status-publish","has-post-thumbnail","hentry","news-categories-technology-news"],"acf":[],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/haifengmachine.com\/ru\/wp-json\/wp\/v2\/news\/6886","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/haifengmachine.com\/ru\/wp-json\/wp\/v2\/news"}],"about":[{"href":"https:\/\/haifengmachine.com\/ru\/wp-json\/wp\/v2\/types\/news"}],"version-history":[{"count":4,"href":"https:\/\/haifengmachine.com\/ru\/wp-json\/wp\/v2\/news\/6886\/revisions"}],"predecessor-version":[{"id":6896,"href":"https:\/\/haifengmachine.com\/ru\/wp-json\/wp\/v2\/news\/6886\/revisions\/6896"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/haifengmachine.com\/ru\/wp-json\/wp\/v2\/media\/6890"}],"wp:attachment":[{"href":"https:\/\/haifengmachine.com\/ru\/wp-json\/wp\/v2\/media?parent=6886"}],"wp:term":[{"taxonomy":"news-categories","embeddable":true,"href":"https:\/\/haifengmachine.com\/ru\/wp-json\/wp\/v2\/news-categories?post=6886"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}

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.cta-btn {display:inline-block;margin-top:20px;background:#fff;color:var(--haifeng-primary);padding:10px 25px;border-radius:4px;text-decoration:none;font-weight:bold;transition:all 0.3s ease;}\r\n .cta-btn:hover {transform:scale(1.05);}\r\n .tags {margin-top:32px;display:flex;flex-wrap:wrap;gap:10px;justify-content:center;padding-bottom:40px;}\r\n .tag {padding:5px 14px;background-color:var(--haifeng-light);color:var(--haifeng-primary);border-radius:20px;font-size:13px;text-decoration:none;transition:all 0.3s ease;}\r\n .tag:hover {background-color:var(--haifeng-primary);color:#fff;}\r\n footer {text-align:center;margin-top:30px;padding:20px;color:var(--text-light);font-size:0.9em;border-top:1px solid #eee;}\r\n @media (max-width:992px){\r\n .contact-info {grid-template-columns:1fr;}\r\n .hero-title {font-size:22px;}\r\n .section-title {font-size:20px;}\r\n .section {padding:32px 20px;}\r\n .standard-table {display:block;overflow-x:auto;}\r\n .img-container img,.hero-img img {max-width:100%;}\r\n }\r\n <\/style>\r\n<\/head>\r\n<body>\r\n<div class=\"container\">\r\n <section class=\"hero-section\">\r\n <h2 class=\"hero-title\">PU Injection Process: Ultimate Analysis & Defect Elimination Guide<\/h2>\r\n <div class=\"intro-card\">\r\n PU injection forming defect control is the core of stable mass production. Over 89% of uneven hardness, internal void and warpage defects are caused by unstable metering, temperature and injection flow instead of raw material formula. Combined with ASTM & domestic PU standards, this article explains three core control rules and real factory renovation data for reference.\r\n <\/div>\r\n <div class=\"post-date\">Technical Article | June 2026 Haifeng Machinery<\/div>\r\n <div class=\"img-container hero-img\">\r\n <img src=\"https:\/\/haifengmachine.com\/wp-content\/uploads\/2026\/06\/\u704c\u6ce8\u539f\u74061.png\" alt=\"PU injection forming principle diagram\" loading=\"lazy\" decoding=\"async\" title=\"\">\r\n <p class=\"caption\">Figure1: PU injection core forming principle schematic<\/p>\r\n <\/div>\r\n <\/section>\r\n\r\n <section class=\"section\">\r\n <h2 class=\"section-title\">1 Three Core Physical Control Principles & Standard Parameters<\/h2>\r\n <div class=\"content-block\">\r\n <p>All PU foaming defects derive from out-of-limit process parameters, three quantified industry execution standards as below:<\/p>\r\n <ol>\r\n <li><strong>Metering & Mixing Control:<\/strong> A\/B component allowable deviation \u2264\u00b10.5%; open-loop gear pump under 8h continuous production normally generates 2.5%~3.2% ratio drift, leading to hardness deviation over 7 Shore A; mixing head speed \u22653500rpm to reach \u226599% mixing uniformity, insufficient shear causes enclosed air bubbles.<\/li>\r\n <li><strong>Temperature Control:<\/strong> Polyol 52~58\u2103, Isocyanate 58~64\u2103, ambient workshop fluctuation controlled within \u00b12\u2103; single 2\u2103 temperature shift changes raw viscosity by 18%+, trigger inconsistent cream time and uneven foaming; whole pipeline heat preservation required to avoid local cold spot.<\/li>\r\n <li><strong>Injection Flow & Laminar Control:<\/strong> Adopt segmented dynamic injection curve, initial high flow for cavity filling, mid\/late low-speed laminar advancing; flow velocity over rated value creates turbulent flow and entrapped air, too slow leads short-shot underfilling.<\/li>\r\n <\/ol>\r\n <p><strong>Common hidden risks from out-of-spec parameters:<\/strong> Ordinary open-loop gear pump under long-time production, ratio error usually reaches 2%~4%, scrap rate stays at 8.2%~15.7%.<\/p>\r\n <\/div>\r\n <\/section>\r\n\r\n <section class=\"section\">\r\n <h2 class=\"section-title\">2 Three Practical Factory Renovation Cases<\/h2>\r\n <div class=\"content-block\">\r\n <h3>Case1 High-Density Memory Mattress Factory<\/h3>\r\n <p>Annual Output 450,000pcs, original open-loop gear pump equipment.<\/p>\r\n <ul>\r\n <li>Original Trouble: Daytime temperature rise leads 3% ratio drift, batch hardness difference up to 9.2 Shore A, reject rate 12.8%.<\/li>\r\n <li>Upgrade Plan: Servo closed-loop + Coriolis mass flowmeter + high-shear mixing head.<\/li>\r\n <li>Post-data: Ratio tolerance \u22640.43%, batch hardness \u22641.7 Shore A, scrap down to 0.69%.<\/li>\r\n <\/ul>\r\n <div class=\"img-container\">\r\n <img src=\"https:\/\/haifengmachine.com\/wp-content\/uploads\/2026\/06\/\u704c\u6ce8\u539f\u74062.png\" alt=\"Defective collapsed PU mattress\" loading=\"lazy\" decoding=\"async\" title=\"\">\r\n <p class=\"caption\">Figure2: Mattress collapse from ratio drift defect<\/p>\r\n <\/div>\r\n\r\n <h3>Case2 150mm+ Cold Chain PU Sandwich Panel<\/h3>\r\n <p>Large refrigeration equipment manufacturer.<\/p>\r\n <ul>\r\n <li>Original Trouble: Raw temp fluctuation \u00b13.5\u2103, panel density gap 35kg\/m\u00b3, warpage reject 8.7%.<\/li>\r\n <li>Solution: Three-layer jacket tank + full insulated hose + PLC line speed linkage.<\/li>\r\n <li>Post-effect: Density fluctuation \u22643.6kg\/m\u00b3, reject down to 0.52%.<\/li>\r\n <\/ul>\r\n <div class=\"img-container\">\r\n <img src=\"https:\/\/haifengmachine.com\/wp-content\/uploads\/2026\/06\/\u704c\u6ce8\u539f\u74063.png\" alt=\"Cold chain PU insulation panel\" loading=\"lazy\" decoding=\"async\" title=\"\">\r\n <p class=\"caption\">Figure3: Qualified cold storage sandwich panel<\/p>\r\n <\/div>\r\n\r\n <h3>Case3 Auto NVH Complex Cavity Damper<\/h3>\r\n <p>Auto precision component producer.<\/p>\r\n <ul>\r\n <li>Original Trouble: Fixed injection speed causes air trapping rate 10.3%.<\/li>\r\n <li>Improvement: PLC three-stage variable flow injection programming.<\/li>\r\n <li>Post-data: Internal bubble fully eliminated, pass rate 89.7%\u219299.5%.<\/li>\r\n <\/ul>\r\n <div class=\"img-container\">\r\n <img src=\"https:\/\/haifengmachine.com\/wp-content\/uploads\/2026\/06\/\u704c\u6ce8\u539f\u74064.png\" alt=\"Auto NVH PU damper part\" loading=\"lazy\" decoding=\"async\" title=\"\">\r\n <p class=\"caption\">Figure4: Finished automotive NVH damping component<\/p>\r\n <\/div>\r\n <\/div>\r\n <\/section>\r\n\r\n <section class=\"section\">\r\n <h2 class=\"section-title\">3 Industry-Based Equipment Selection Matrix<\/h2>\r\n <div class=\"content-block\">\r\n <table class=\"standard-table\">\r\n <thead>\r\n <tr>\r\n <th>Application Field<\/th>\r\n <th>Core Product<\/th>\r\n <th>Key Technical Requirement<\/th>\r\n <th>Recommended Equipment Configuration<\/th>\r\n <\/tr>\r\n <\/thead>\r\n <tbody>\r\n <tr>\r\n <td>Cold Chain Construction<\/td>\r\n <td>Insulation board, pipe shell<\/td>\r\n <td>High continuous flow stability, \u226590% closed-cell rate<\/td>\r\n <td>High-pressure multi-component machine + synchronous conveying line + full constant temp system<\/td>\r\n <\/tr>\r\n <tr>\r\n <td>Furniture & Bedding<\/td>\r\n <td>Memory foam, high resilience mattress<\/td>\r\n <td>Low-flow anti-drift, fast formula switching<\/td>\r\n <td>Servo closed-loop metering + Coriolis flowmeter + high-shear mixing head<\/td>\r\n <\/tr>\r\n <tr>\r\n <td>Auto Parts<\/td>\r\n <td>NVH damper, integral skin parts<\/td>\r\n <td>Gram-level precision, dynamic flow + MES docking<\/td>\r\n <td>Ultra-precision servo injection unit<\/td>\r\n <\/tr>\r\n <\/tbody>\r\n <\/table>\r\n <\/div>\r\n <\/section>\r\n\r\n <section class=\"section\">\r\n <h2 class=\"section-title\">4 Frequently Asked Practical Questions<\/h2>\r\n <div class=\"faq-section\">\r\n <details class=\"faq-item\" open>\r\n <summary class=\"faq-question\">Q1 Can partial refit replace full machine replacement?<\/summary>\r\n <div class=\"faq-answer\">A: Keep original frame and mixing head, upgrade closed-loop module only, save 55%~65% investment, scrap drop 60%~75%.<\/div>\r\n <\/details>\r\n <details class=\"faq-item\" open>\r\n <summary class=\"faq-question\">Q2 Suitable production workshop humidity?<\/summary>\r\n <div class=\"faq-answer\">A: 45%~63%RH; above70%RH raw material absorbs moisture and creates pinhole defects.<\/div>\r\n <\/details>\r\n <details class=\"faq-item\" open>\r\n <summary class=\"faq-question\">Q3 Meter calibration cycle?<\/summary>\r\n <div class=\"faq-answer\">A: Ordinary production every30d; auto precision parts every15d per ISO9001.<\/div>\r\n <\/details>\r\n <\/div>\r\n <\/section>\r\n\r\n <section class=\"section\">\r\n <h2 class=\"section-title\">\u0417\u0430\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u0435<\/h2>\r\n <div class=\"content-block\">\r\n <p>Eliminating mass-production foaming defects relies on systematic closed-loop control rather than raw material formula adjustment alone. Haifeng supplies customized process debugging and turnkey production solution according to actual workshop and product parameters.<\/p>\r\n <\/div>\r\n <\/section>\r\n\r\n <section class=\"cta-section\">\r\n <h3>Get Custom PU Injection Production Solution<\/h3>\r\n <p>Free process evaluation and equipment quotation available.<\/p>\r\n <a href=\"https:\/\/haifengmachine.com\/contact-us\" target=\"_blank\" rel=\"noopener noreferrer\" class=\"cta-btn\">Get Free Consult<\/a>\r\n <div class=\"contact-info\">\r\n <div class=\"contact-item\"><strong>\u042d\u043b\u0435\u043a\u0442\u0440\u043e\u043d\u043d\u0430\u044f \u043f\u043e\u0447\u0442\u0430<\/strong><a href=\"mailto:info@haifeng-automation.cn\">info@haifeng-automation.cn<\/a><\/div>\r\n <div class=\"contact-item\"><strong>\u041e\u0444\u0438\u0446\u0438\u0430\u043b\u044c\u043d\u044b\u0439 \u0441\u0430\u0439\u0442<\/strong><a href=\"https:\/\/www.haifengmachine.com\" target=\"_blank\">www.haifengmachine.com<\/a><\/div>\r\n <div class=\"contact-item\"><strong>WhatsApp<\/strong><a href=\"https:\/\/wa.me\/8613566296633\" target=\"_blank\" rel=\"noopener\">+86 13566296633<\/a><\/div>\r\n <\/div>\r\n <\/section>\r\n\r\n <div class=\"tags\">\r\n <a href=\"\/tag\/puinjection\/\" class=\"tag\">#PUInjection<\/a>\r\n <a href=\"\/tag\/pufoam\/\" class=\"tag\">#PUFoam<\/a>\r\n <a href=\"\/tag\/coldchaininsulation\/\" class=\"tag\">#ColdChainInsulation<\/a>\r\n <a href=\"\/tag\/autopartsproduction\/\" class=\"tag\">#AutoPartsProduction<\/a>\r\n <a href=\"\/tag\/mattressmanufacturing\/\" class=\"tag\">#MattressManufacturing<\/a>\r\n <a href=\"\/tag\/haifengmachinery\/\" class=\"tag\">#HaifengMachinery<\/a>\r\n <\/div>\r\n\r\n <footer>\u00a9 2026 Haifeng Polyurethane Machinery. \u0412\u0441\u0435 \u043f\u0440\u0430\u0432\u0430 \u0437\u0430\u0449\u0438\u0449\u0435\u043d\u044b.<\/footer>\r\n<\/div>\r\n<\/body>\r\n<\/html>\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"featured_media":6890,"template":"","meta":{"_acf_changed":false},"news-categories":[38],"class_list":["post-6886","news","type-news","status-publish","has-post-thumbnail","hentry","news-categories-technology-news"],"acf":[],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/haifengmachine.com\/ru\/wp-json\/wp\/v2\/news\/6886","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/haifengmachine.com\/ru\/wp-json\/wp\/v2\/news"}],"about":[{"href":"https:\/\/haifengmachine.com\/ru\/wp-json\/wp\/v2\/types\/news"}],"version-history":[{"count":4,"href":"https:\/\/haifengmachine.com\/ru\/wp-json\/wp\/v2\/news\/6886\/revisions"}],"predecessor-version":[{"id":6896,"href":"https:\/\/haifengmachine.com\/ru\/wp-json\/wp\/v2\/news\/6886\/revisions\/6896"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/haifengmachine.com\/ru\/wp-json\/wp\/v2\/media\/6890"}],"wp:attachment":[{"href":"https:\/\/haifengmachine.com\/ru\/wp-json\/wp\/v2\/media?parent=6886"}],"wp:term":[{"taxonomy":"news-categories","embeddable":true,"href":"https:\/\/haifengmachine.com\/ru\/wp-json\/wp\/v2\/news-categories?post=6886"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}