Import Air Conditioner Pipe Fittings — Buy in Bulk from Supplier in China

These air conditioner pipe fittings are precision-engineered components for HVAC and automotive refrigeration systems, designed to ensure leak-proof connections in high-pressure environments. The fittings are manufactured from industrial-grade materials, typically copper or aluminum alloys, to resist corrosion and maintain structural integrity under thermal cycling. Standard configurations include elbows, tees, couplers and adapters in metric and imperial sizes to match common refrigerant line diameters.

Material composition aligns with typical HVAC industry standards, with copper fittings often conforming to ASTM B280 for seamless copper tube, while aluminum variants meet ASTM B210 or B234 for drawn aluminum tube. Surface treatments such as tin plating or nickel coating are applied to enhance durability in humid or saline conditions. The fittings are compatible with R134a, R410A and R32 refrigerants, with pressure ratings typically exceeding 30 bar for copper and 20 bar for aluminum variants.

Primary buyers include HVAC contractors, automotive aftermarket suppliers and industrial refrigeration installers. The fittings are packaged in standardized cartons or wooden crates to prevent deformation during transit, with each batch accompanied by mill test certificates for material verification. Common trade terms include FOB Ningbo or CIF to major ports, with MOQ typically set at 500 pieces per size variant. Buyers should confirm exact pressure ratings and refrigerant compatibility for their specific application.

Taizhou Dongxin Machinery Co., Ltd. operates from Chumen Industrial Zone in Yuhuan, Taizhou, Zhejiang Province, China. The company specializes in the production of pipe fittings for HVAC and automotive applications, with a focus on components that meet international quality standards for durability and performance. Its industrial zone location provides access to raw material suppliers and logistics hubs for efficient production and distribution.

The supplier is classified as an imported-tier manufacturer, indicating its products are designed for export markets. While the listed response rate is currently at 0.00, the harbor trust tier signals a baseline level of verified business information. The company does not state explicit certifications, production capacity, or client references in the provided data, so buyers should request these details directly to assess suitability for their projects.