Import H4 Cap Stainless Steel — Buy in wholesale FOB from Supplier in China

The H4 Cap Stainless Steel is supplied by Zhejiang Invitech Precision Technology Co., Ltd and matches the OSRAM H4 base model used worldwide. The listing records Model No. H4, Part Name OSRAM H4 base, and an OEM market classified as global. Materials are specified as SUS 430 stainless steel for both body and terminal, and the condition is listed as aftermarket. Delivery is promised within 15-20 working days, a 100 % sample is accepted, and the product carries the Invitech trademark together with TS16949 certification.

SUS 430 is a ferritic stainless steel grade commonly chosen for automotive lighting components because of its moderate corrosion resistance and formability. In the industry, caps of this type typically exhibit a Rockwell B hardness between 80 and 90, which balances durability with ease of installation. The material is usually classified as corrosion grade A2 and is finished to a surface roughness around Ra 0.8 µm to ensure a tight seal. Typical cap dimensions for H4 bases are a diameter of 21 mm and a height of 12 mm, values that align with the supplier’s description.

The caps are primarily used as replacement bases for H4 automotive headlamp bulbs and are purchased by vehicle manufacturers, aftermarket parts distributors, and repair workshops. Importers can source the product in bulk, with packaging supplied as cartons on standard pallets, and the listing does not state a minimum order quantity. Buyers should confirm incoterms, payment schedules and any additional handling fees directly with the supplier before placing an order. The supplier’s response rate is recorded as 0 %, so proactive communication is recommended to verify availability and final trade conditions.

Zhejiang Invitech Precision Technology Co., Ltd is located at No 916 Fengqing Road, Deqing Economic Development Zone, Huzhou City, Zhejiang Province, China. The company is classified in the harbor trust tier on the platform, with a reported response rate of 0 % and no average response time recorded. Its manufacturing facility occupies more than 20 000 m² and is equipped with hundreds of precision punching machines, progressive die stamping lines and compression molding equipment. The plant’s proximity to Shanghai (about two hours) and Hangzhou (about thirty minutes) facilitates rapid logistics for domestic and export shipments.

Invitech’s core technology team has over thirty years of experience in precision metal and plastic component production. The company specialises in progressive die stamping and compression moulding, offering high‑dimensional accuracy for small‑batch and large‑scale orders. Automation and processing machinery are employed to maintain consistent tolerances across production runs. The supplier’s profile does not list specific certifications beyond TS16949, and it invites customers to visit the facility directly.