Shanghai Yihai International Trading Co., Ltd. specializes in the manufacturing of cylindrical pins, spring pins, retaining rings, circlips, clamps, and related fastening components. In the field of standard fasteners, the company primarily produces products in accordance with DIN 6325, DIN 7979, ISO 2338, ISO 8752, ISO 13337, and DIN 471 / DIN 472 standards. The majority of its products are exported to European markets, including Germany, Italy, Poland, and the Czech Republic.
Shanghai Yihai is equipped with advanced production facilities, a comprehensive inspection system, and a professional technical support team. Its manufacturing processes cover the full production chain, including cold heading, cutting, turning, grinding, heat treatment, and surface finishing, ensuring stable quality and reliable performance.
The company continuously strengthens internal management and improves its quality control systems, with a strong commitment to providing high-quality products and reliable service to customers worldwide.