Ụgwọ nke ụlọ ọrụ Sinotech Metal Products Co., Ltd. +8613640791447 info@industecmetal.com Ụgwọ nke ụlọ ọrụ Sinotech Metal Materials Co., Ltd. +8618631823709 info@stmesh.com Dee ozi gị ebe a ziga anyị ya
