perforated panels
China Senchi round hole punching mesh plate manufacturers specializing in the production of various specifications of metal perforated plates, safety grating, can produce holes are round holes, oval holes, round holes, square holes, square holes, triang...
山东欣烨化工有限公司
山东欣烨化工有限公司 研发、生产、销售医药中间体、液晶材料中间体、农药中间体、橡塑助剂等系列产品,并具有产品进出口经营权.