We Hebei Jianzhi Casting group are mainly producing the Malleable casting iron pipe fittings and grooved pipe fittings more than 40 year .As a professional manufacturer, We are always asked the different in both the Malleable iron socket and Carbon steel
Jiangsu Feizheng Technology Co., Ltd. has been producing packaging bags for more than 20 years, we are very experienced in product quality supervision, our product quality can reach the top ten standards in China, if you need to contact us.