Changzhou Longo Chemical Co., Ltd. អាស័យដ្ឋាន No.8, East Guangdian Road, ស្រុក Wujin, Changzhou, Jiangsu, China អ៊ីមែល sales@longochem.com info@longochem.com ទូរស័ព្ទ +86 0518 81284128
