Heavy duty connectors is specially designed for satisfying rigorous environment,with the in-depth development of industrial automation, more innovation is brought about in mechanical products,more equipments adopt connectors design,so the heavy duty connectors face more and more different environmental challenges.In order to precisely control the quality,Wain spraies code on the shell of the products with product model, production date, production batch,screw size to realize quality traceability and make it easier to track the quality after sale,eventually to improve service quality.

 Before change：                                            After change：