Product Category / Services

  • Bolts and Screws

    Hanger bolts, hexagon head bolts, mushroom head bolts Hexagon socket screws, pan head tapping screws U bolts, hanger bolts with across flat, hex puller bolts
  • Nuts

    Square nuts, hexagon nuts, weld nuts Self-locking hexagon nuts, hammer nuts Hexagon flange nuts with serration, slide nuts
  • Washers

    Plain washers, EPDM-seal black, spring washers Composite washers, serrated lock washers internal teeth Disc springs, serrated lock washers external Teeth
  • Studs, Rivets, Pins

    Threaded rods, stud bolts Round head rivets, round head rivets Round head pins, split pins
  • Customized Screws

    Slotted mushroom head screws T-Drill RSD CSK head terrace screws, cutting point Hanger drilling screws with hexagon end
  • Assembled Parts

    Assembled hanger bolts with DIN 6923 + EPDM Hexagon flange head drilling screws with washers Hexagon head bolts/screws combi with washers

Business Description

Zhejiang QD Industrial Co., Ltd. was founded in 1993 with a registered capital of 50 million yuan and a total investment of 200 million yuan. It covers an area of 40,000 square meters and there are more than 300 employees. Our factory holds a conventional inventory of over 4,000 tons, covering more than 20,000 items. Zhejiang QD Industrial Co., Ltd. is a professional enterprise integrating research, development, production and sales of standard and Non-standard parts. The company is located in Lishui, Zhejiang Province, known as "Zhejiang Green Valley, natural oxygen bar".


Our products, branded as "QD" and DONGTIAN, are sold around the world. With over 30 years of dedication to manufacturing techniques and quality management, we strive to make your work easier. By choosing QD, you will benefit in the following aspects:


Quality We strictly adhere to the disciplines of the ISO9001 quality management system standard to ensure that the quality you receive is the quality you expect.


Technical Expertise In addition to typical machinery and molds for fastener production, we maintain a wide range of special machines customized for unique purposes. Furthermore, our mold research and production workshop provides us with superior manufacturing capabilities for non-standard items.


Stock We stock more than 10000 tons of stainless steel fasteners which cover more than 20000 items for you to choose from, which means there will be a shorter delivery time for your order.


Customer Service Our specialized team is always available to assist you with technical issues, proper usage, and more.


Industrial Expertise We have extensive experience in various industries including railway, construction, curtain wall installation, solar mounting, valves and fluid systems, telecommunications, shipbuilding and marine, as well as food and medical machinery. We excel in resolving unique industry-specific challenges related to fastener usage.