RAYCHIN LIMITED was established as a global leader in Specialty Metals Fasteners for the operation of special material fasteners. 

RAYCHIN LIMITED is a company specializing in the development, manufacturing and global distribution of standard and customized fasteners made of high-performance Specialty Metals. RAYCHIN owns its professional technical team and experts to the persistent development of new materials and new products. Additionally we provide our customers with world class knowledge, support and guidance on selecting the best materials for their challenging applications.

RAYCHIN LIMITED is an emerging leader in high-quality Specialty Metals Fasteners, and we are proud to serve customers worldwide. Since 2006, the company has grown from a single organization to a high-end supplier of fasteners covering multiple materials. STARWDH INDUSTRIAL CO.,LTD, GEM-DUO INDUSTRIAL CO.,LTD, NEWSTAR WDH INDUSTRIAL CO.,LTD, has enjoyed a reputation in the field of carbon steel and stainless steel fasteners.

With the continuous expansion and growth of the company's global business, we plan to integrate the company's brand and technical team strategy in the next 5 years, aiming to provide customers with more convenient services and guidance!

RAYCHIN LIMITED produces and supplies Specialty Metals Fasteners Headquartered in China, RAYCHIN LIMITED is a Specialty Metals Fasteners manufacturer certified by ISO 9001:2015 and ISO 14001:2015. As a globally recognized expert in Specialty Metals Fasteners. We strictly review the source of materials and only purchase raw materials from the most trusted suppliers. We keep a large inventory of finished products and raw materials, such as : Hastelloy®， Monel® , Inconel®，Incoloy, Titanium , Nickel Alloy, Aluminum, Molybdenum, Nimonic, Nitronic, Tantalum, Tungsten, Waspaloy, Zirconium, Duplex and Super Duplex etc. Our production base in China has millions of dollars in material inventory, and we are proud to provide the fastest delivery speed in the industry.

A large inventory of Specialty Metals Fasteners includes: Bolts, Nuts, Screws, Washers, Studs, Socket products, Threaded Rods and U-bolts. We provide a full range of products: standard and customized, small batch and large batch, imperial and metric.

RAYCHIN LIMITED fasteners comply with applicable NAS, AN, MS, ANSI, ASTM, ASME, SAE, API, NACE, ISO, DIN and KS standards.

The markets we serve include: Aerospace, Petrochemical and Refining, Oil and Gas, Chemical Processing, Power Generation, Pharmaceuticals, Food and Beverages, Marine, Pulp and Paper, Semiconductors and Water Treatment.