Guangzhou, China – September 2026 — Guangzhou Tonghua Auto Parts Co., Ltd. (brand: LTHJT) is proud to announce that its manufacturing base, Tonghua (Qinghe County) Auto Parts Co., Ltd., has successfully obtained three internationally recognized management system certifications: IATF 16949:2016 (automotive quality management, with product design), ISO 9001:2015 (quality management) and ISO 45001:2018 (occupational health and safety).
The certifications cover the design and production of automotive rubber parts, rubber hose assemblies, plastic hose assemblies and injection-molded parts. This milestone reflects the company’s long-term commitment to world-class manufacturing, rigorous process control and responsible production.
| Standard | Certificate No. | Covered Scope | Issue Date | Expiry Date | Certification Body |
|---|---|---|---|---|---|
| IATF 16949:2016 (with product design) | T7-19426/0 IATF Reg. No. 0612546 IATF-USI: LGTRPX | Design and manufacturing of rubber hose assemblies; design and manufacturing of rubber parts; manufacturing of plastic hose assemblies; manufacturing of injection-molded parts | 25 August 2026 | 24 August 2029 | Quality Austria Certification GmbH (Vienna, Austria) |
| ISO 9001:2015 (GB/T 19001-2016) | 50326Q00945R001 | Production of rubber and plastic molding parts for automotive applications | 13 August 2026 | 12 August 2029 | Beijing ZhongDingQianYuan Certification Co., Ltd. (CNAS C269-M) |
| ISO 45001:2018 (GB/T 45001-2020) | 50326S00683R001 | Occupational health and safety management activities related to production of rubber components and injection-molded parts for automotive use | 13 August 2026 | 12 August 2029 | Beijing ZhongDingQianYuan Certification Co., Ltd. (CNAS C269-M) |
IATF 16949:2016 is the global technical specification for quality management systems in the automotive industry, developed by the International Automotive Task Force with major vehicle manufacturers. Certification confirms that our management system meets the stringent requirements of automotive supply chains, including defect prevention, waste reduction and continuous improvement. Importantly, the certificate is issued with product design, recognizing our in-house capability to design and develop rubber hoses and rubber parts in addition to manufacturing them. The registration is globally verifiable through the IATF database (Registration No. 0612546) and was audited by Quality Austria Certification GmbH, one of Europe’s leading certification bodies, with local support by Shanghai OQS.
ISO 9001:2015 is the world’s most widely adopted quality management standard. The certification confirms consistent, customer-focused processes from incoming materials to final inspection and delivery.
ISO 45001:2018 is the international standard for occupational health and safety management. It confirms we protect our workforce with systematic risk assessment and safety controls. Both certificates were issued by Beijing ZhongDingQianYuan Certification Co., Ltd., accredited by CNAS (Accreditation No. C269-M) and recognized under the IAF multilateral arrangement. Certificate authenticity can be verified on the official CNCA website (www.cnca.gov.cn).
Established in 2008, Guangzhou Tonghua Auto Parts Co., Ltd. (LTHJT) is a professional automotive hose manufacturer and multi-brand auto parts supplier. We manufacture coolant and radiator hoses, fuel hoses, turbo and intercooler hoses, vacuum brake hoses, transmission oil cooler hoses and custom-developed automotive hose products, and we also supply multi-brand replacement parts for Japanese, Korean, European, American and Chinese vehicles.
Our production base, Tonghua (Qinghe County) Auto Parts Co., Ltd., is located in the Qinghe County Economic Development Zone, Xingtai City, Hebei Province — one of China’s most important auto parts manufacturing clusters — with the Guangzhou headquarters serving as our export and customer service center. Our team of around 160 people has served more than 16,000 customers worldwide.
For product inquiries, OEM/ODM cooperation, or to request our certification documentation, please contact our sales team or visit www.lthjtautoparts.com. LTHJT is your reliable partner for engineered hoses and dependable auto parts — built for the road.
Guangzhou, China – September 2026 — Guangzhou Tonghua Auto Parts Co., Ltd. (brand: LTHJT) is proud to announce that its manufacturing base, Tonghua (Qinghe County) Auto Parts Co., Ltd., has successfully obtained three internationally recognized management system certifications: IATF 16949:2016 (automotive quality management, with product design), ISO 9001:2015 (quality management) and ISO 45001:2018 (occupational health and safety).
The certifications cover the design and production of automotive rubber parts, rubber hose assemblies, plastic hose assemblies and injection-molded parts. This milestone reflects the company’s long-term commitment to world-class manufacturing, rigorous process control and responsible production.
| Standard | Certificate No. | Covered Scope | Issue Date | Expiry Date | Certification Body |
|---|---|---|---|---|---|
| IATF 16949:2016 (with product design) | T7-19426/0 IATF Reg. No. 0612546 IATF-USI: LGTRPX | Design and manufacturing of rubber hose assemblies; design and manufacturing of rubber parts; manufacturing of plastic hose assemblies; manufacturing of injection-molded parts | 25 August 2026 | 24 August 2029 | Quality Austria Certification GmbH (Vienna, Austria) |
| ISO 9001:2015 (GB/T 19001-2016) | 50326Q00945R001 | Production of rubber and plastic molding parts for automotive applications | 13 August 2026 | 12 August 2029 | Beijing ZhongDingQianYuan Certification Co., Ltd. (CNAS C269-M) |
| ISO 45001:2018 (GB/T 45001-2020) | 50326S00683R001 | Occupational health and safety management activities related to production of rubber components and injection-molded parts for automotive use | 13 August 2026 | 12 August 2029 | Beijing ZhongDingQianYuan Certification Co., Ltd. (CNAS C269-M) |
IATF 16949:2016 is the global technical specification for quality management systems in the automotive industry, developed by the International Automotive Task Force with major vehicle manufacturers. Certification confirms that our management system meets the stringent requirements of automotive supply chains, including defect prevention, waste reduction and continuous improvement. Importantly, the certificate is issued with product design, recognizing our in-house capability to design and develop rubber hoses and rubber parts in addition to manufacturing them. The registration is globally verifiable through the IATF database (Registration No. 0612546) and was audited by Quality Austria Certification GmbH, one of Europe’s leading certification bodies, with local support by Shanghai OQS.
ISO 9001:2015 is the world’s most widely adopted quality management standard. The certification confirms consistent, customer-focused processes from incoming materials to final inspection and delivery.
ISO 45001:2018 is the international standard for occupational health and safety management. It confirms we protect our workforce with systematic risk assessment and safety controls. Both certificates were issued by Beijing ZhongDingQianYuan Certification Co., Ltd., accredited by CNAS (Accreditation No. C269-M) and recognized under the IAF multilateral arrangement. Certificate authenticity can be verified on the official CNCA website (www.cnca.gov.cn).
Established in 2008, Guangzhou Tonghua Auto Parts Co., Ltd. (LTHJT) is a professional automotive hose manufacturer and multi-brand auto parts supplier. We manufacture coolant and radiator hoses, fuel hoses, turbo and intercooler hoses, vacuum brake hoses, transmission oil cooler hoses and custom-developed automotive hose products, and we also supply multi-brand replacement parts for Japanese, Korean, European, American and Chinese vehicles.
Our production base, Tonghua (Qinghe County) Auto Parts Co., Ltd., is located in the Qinghe County Economic Development Zone, Xingtai City, Hebei Province — one of China’s most important auto parts manufacturing clusters — with the Guangzhou headquarters serving as our export and customer service center. Our team of around 160 people has served more than 16,000 customers worldwide.
For product inquiries, OEM/ODM cooperation, or to request our certification documentation, please contact our sales team or visit www.lthjtautoparts.com. LTHJT is your reliable partner for engineered hoses and dependable auto parts — built for the road.