.Chang Zhou Ying Cai Metalwork Co., Ltd. is a professional large-scale manufacturer researching, making and selling sports equipment. The first period workshop of the factory occupies 6000 squares meters and it has advanced automatic cutting pipe machines and large-scale fully automatic pipe bending machines, large-scale automatic cutting-board machines, machines of folding and curving and other advanced machines. At present, their main products include eight series with nearly 300 varieties, ...