2.Material:carbon steel/stainless steel(ss304,ss316,and so on)
3.Packing:bulk, small box or small bag or as per client’s special need
4.In order to keep price competitive, we have completed nearly all production line. We directly buy raw materials from reliable steel manufacturers to avoid middle cost.
5. All kinds of hex coupling nuts are produced by mnlti-station former cold forging with auto-tapping which increases the strength of nuts and production capacity reaches 3 million pcs per month








