Liaoning Province Dandong Constant Strength Heavy-duty Automobile Spring Factory is located in the biggest border city in China, it is a automobile spare part service centre which is manufacturing enterprise of national metallurgical general bureau, Japan federation of heavy-duty diesel oil automobile fittings and Beijing heavy-duty automobile factory , annual production capacity is several kilotons, producing the imported, domestic heavy- duty automobile spring throughout the year, with the advanced equipment ,steady quality and carrying out Qcn29035-91 standard, it specializes in the production domesticization work of importing the spring steel of the automobile, substitutes the import product, serve customer fast in time, adopt the high-quality spring steel of the national standard 60 Si2Mns , sup9, 55siMVB to produce spring steel with high-qualities for heavy-duty automobile style of Japan, Korea S., Europe, domestic. At same time we could design and process various kinds of ...[More] according to the drawings provided by customers.
　　We will service customers with high quality,reasonable price and good reputation, customers' satisfaction is our guide, Welcome external and internal customers come to our company to hold talks and cooperate .