Weifang Longstar Economy And Trading Co., Ltd. is a professional chemicals manufacturing and supplying company in Weifang Shandong China.

Based on the principle of "sincere cooperation, mutual benefits", With more than 15 years' professional chemical experience,

Our elite sales team, integrates sodium silicate & potassium silicate plant(150000mt/year), chlorides plants(50000/year) and other capable plants, exploring domestic and overseas markets together. Now goods are exported to more than 20 countries as Korea, Japan, the Middle Asia, Africa, South America ext. Our company has been awarded ISO9001:2000 certificate, and100% of our exporting products are approved by CIQ, SGS or BV inspection.

With High Quality, Good Price and Best Price, we would like to work with clients from at home and abroad for a better future.