From Geely BYD Chery to Tesla Toyota: Tonghua Auto Parts Fluid Pipelines Power Global Vehicle Brands

Complete Fluid Pipeline Solutions for the World’s Leading Vehicle Brands

Tonghua (Qinghe) Auto Parts Co., Ltd. has built a full-scenario product matrix covering thermal management, power transmission and brake safety. All products strictly follow China VI and international standards, featuring high-temperature resistance, anti-aging and corrosion resistance, and are perfectly compatible with both traditional fuel vehicles and new energy vehicles for efficient and reliable fluid transmission.

Core Product Lines

• Cooling Pipeline Systems — covering engine, battery and motor cooling, efficiently meeting the thermal management needs of NEVs and fuel vehicles.
• China VI Fuel Pipelines — oil-resistant and corrosion-resistant, ensuring safe and efficient fuel delivery in compliance with China VI emission standards.
• Turbocharger Pipelines — connecting the turbocharger and intercooler to optimize intake efficiency and boost engine power output.
• Transmission Oil Cooling Pipelines — efficient oil circulation and heat dissipation that stabilize operating temperature and extend transmission service life.
• Vacuum Brake Pipelines — critical brake system connections ensuring stable vacuum boost transmission and responsive braking.
• Sunroof Drainage Pipelines — rapid water drainage that protects the interior trim and electronic circuits from leakage.
• Custom Molded Rubber Products — high-precision rubber molding processes supporting non-standard customization for diverse installation scenarios.

OEM Partnerships with Leading Chinese Automakers

Thanks to a mature R&D system and precision manufacturing processes, Tonghua products are now fitted to best-selling models of multiple first-tier Chinese vehicle brands, earning recognition as a trusted core partner.

• Geely — covering Lynk & Co series, Binyue, Emgrand and Boyue models with fuel lines, conductive fuel lines, vacuum lines, TPV lines and engine ventilation lines featuring excellent oil and aging resistance.
• BYD — customized cooling water hoses, battery pack ventilation lines and high-pressure fuel line assemblies for Fangchengbao, BYD T4K, Han EV and Song PLUS, specially optimized for high heat dissipation, high pressure resistance and temperature resistance of NEV platforms.
• Chery — vacuum lines, intercooler lines, EGR hoses, engine water lines and rubber hose assemblies for Omoda 5, Exeed Yaoguang, Tiggo 8 and Arrizo 8, engineered for high-efficiency turbocharged and hybrid powertrains with reliable air-tightness and durability.

As a multiple-time “Annual Excellent Supplier” of leading OEMs, Tonghua provides not only standardized components but also one-stop fluid pipeline solutions — from design and prototyping to mass production — supporting Chinese automotive brands in moving upward.

Trusted by Global Automotive Brands

With outstanding quality and technical strength, Tonghua has successfully entered international markets and earned long-term trust from globally renowned automotive brands, including Tesla, Toyota, Hyundai, Kia, Renault, PSA Group and Mitsubishi. From North America to Japan, Korea and Europe, our partnerships cover the world’s major automotive manufacturing bases.

Contact Us

Interested in our pipeline systems or custom molded rubber parts? Contact our sales team or visit www.lthjtautoparts.com for catalogs and quotations.