单宁混凝剂、絮凝剂和助凝剂
地址 Rooms 1804-1805, 18/F, Hua Qin Int’l Bldg., 340 Queen’s Road, Central, Hong Kong
Tel: +852 69784758
Fax: +852 2581 2818
Email: unitedc@aliyun.com
地址 Rooms 1804-1805, 18/F, Hua Qin Int’l Bldg., 340 Queen’s Road, Central, Hong Kong
Tel: +852 69784758
Fax: +852 2581 2818
Email: unitedc@aliyun.com