Qingdao guanghe Mechanical & Industrial Technology Co., Ltd. was established in 2002, at the beginning of the establishment, the main business was importing and agency the international brand seal products, including the compression packing, Belleville washer, modify PTFE, at the same time, the company was engaging the research and development products in the following decades; over the ten years experience and the final user feedback, now we successfully supply the reliable seal products to our friendly company