Import Coil Spring (Ql-S-001) — Buy in Bulk from Supplier in China

The QL-S-001 coil spring is a precision-engineered compression spring designed for machinery, automotive, and consumer product applications. It is manufactured to exacting tolerances, ensuring consistent performance in high-stress environments. The spring is part of Dongcheng Qinlian Hardware Manufacture’s product line, which includes flat and machined spring types to cater to diverse industrial requirements.

Cold-formed from high-tensile steel, the QL-S-001 undergoes heat treatment and shot peening to achieve the necessary mechanical properties. Typical material grades for such springs include music wire (ASTM A228) or oil-tempered wire (ASTM A229), which offer high fatigue life and load-bearing capacity. The spring’s design allows for customisation in dimensions, wire diameter, and coil count to meet specific engineering needs.

This spring is used in industries where precision and reliability are critical, such as automotive suspension systems, industrial machinery, and consumer electronics. The supplier, based in Dongguan, Guangdong, offers flexible trade terms, including FOB and CIF shipping options and payment via T/T or L/C. Buyers should confirm the exact material grade, dimensions, and surface treatment to ensure compatibility with their application.

Dongcheng Qinlian Hardware Manufacture is located in Dongguan, Guangdong, with its address at No.10, Liuhua South Rd, Xiakou, Dongcheng District. The company specialises in precision hardware, including coil springs, and serves industries such as automotive, electronics, and manufacturing. Its trust tier is classified as 'harbor', indicating a baseline level of verification on the platform.

The supplier states compliance with ISO and SGS certifications, which cover quality management and product testing standards. While the listing highlights flexibility in MOQ and customisation options, no specific details are provided on production capacity, lead times, or client references. Buyers should directly confirm these aspects, as well as the supplier’s response rate, which is currently listed as zero.