What is the specification of our wing nut?                                  

What are the type of your wing nut?                                            

How to packing?                                                                         

Cangzhou Longquan Ductile Casting Co.,Ltd is a professional large enterprise engaged in production ductile iron casting and precision steel castings.It has abundant technical force and advanced production equipment .It mainly produces various kinds of castings in near 1000 kinds and used in more than 10 feils,main products are different ductile iron castings,scaffolding castings,construction screw and nut,steel timbering nut,pipe fittings,machinery parts and different universal castings,which used in the field of auto mobile,valve,construction,pipe and fireproof ect.We could make production according to customers sample and drawing.The professional technical research team could provide reliable quality guarantee to you.Since many years,our company won approval and favorable comment from all customers by high quality products and perfect after-sale service.Our company has passed the certificationof ISO9001 quality management system Germany UKAS and carried out its relevant standars strictly.