+86-157-6622-7459 (WeChat a Whatsapp ar gael) sales@gdcxchem.com ; gifchem123@gmail.com stephen@gdcxchem.com (Swyddfa) RM 801, Adeilad Lechao, Huangshan Road, Longhu District, Shantou City, Guangdong Porvince, China (Ffatri)I'r dwyrain o Adran Gucuo, Sishen Road, Liangying Town, Chaonan District, Shantou City, Guangdong Province, China