Qingdao HaiQin Welding Material Co., Ltd was founded in 1999 by the owner of a experienced senior engineer welding industry. With good skill, advanced equipment, strict management and hard work our staff, we specially manufacture high quality products. Our leading product has passed ...

Qingdao Sino Industry Co., Ltd. is a reputed and professional company with the continuous advancement of core operation various rubber materials. We keep on providing high-quality products by means good credit, strict management high level production capability. supply our to Chinese ...