Hangzhou Weckchem Co.,Ltd, located in Hangzhou,China, is specialized in Green chemicals and Fine chemicals over 10 years. Our main products are used in Fuel oil, Water treatment and Pharmaceutical industries. Based on business philosophy of ‘Consistent quality, Customer first, integrity and double win’, Weckchem have established long-term business relationship with customers in Europe, North America, Middle East, Southeast Asia and other countries....