Durable Spring was formed by a team of engineers who was in spring design and production for more than 10 years. All the rectangular springs can be designed and manufactured satisfactorily in the Durable Spring。
Durable Spring has passed the ISO 9001 quality system certification and ISO 14001 environmental system certification. In strict accordance with ISO 9001 quality system certification and ISO 14001 environment system certification ,Durable Spring manage the raw materials procurement, production and inspection, logistic reliability to ensure that the product in appearance, performance, assembling, using,and so on various aspects to meet the standard requirements。
Durable Spring owns a large inventory of rectangular springs.Products are sold to the United States, Germany, India, Iran, Egypt and other countries。
The pressure filter spring, spindle special spring and non-standard custom spring in rectangular spring are very rich in design, research and development and production.
Durable Spring which relies on strong technical, perfect production, close to the customers, won the domestic and foreign customers consistent high praise。
Our products are widely used in many fields such as stamping die, plastic mould, automobile mould, automation equipment, elevator, machine tool, engineering machinery, pressure filter, and so on。
Dalian derribao spring co., LTD. Is willing to provide better products, high reputation, considerate service, and more long-term cooperation with you!。
Derrybel is willing to establish a more long-term cooperation with you with better products, higher reputation and more considerate service！