Dongguan City Guantong Plumbing And Heating Products Co., Ltd. is located in Dongguan City. We have attained ISO9001:2008 certification. Our "Guan Tong" brand copper products are widely used in bathroom, water, fire, gas, heating, lighting, machinery and other fields. Our products sell well all over the country. To meet the market demands, since 2003, we have been processing the inserts in PPR,PVC,PE and other plastic pipe joints.Our company adheres to the enterprise spirit of "established faith-based, hard-working and dedicated", so we have won the trust of clients and have achieved continuous improvement and development. Our business is flourishing. Welcome to Guantong.