Weifang Tenor Chemical Co.,Ltd. is located in Ocean Chemical Development zone, Weifang, Shandong, a joint-stock enterprise with production, export and services of chemicals, has widely adopted world-advanced equipments and management system, and our products quality is assured under the ISO9001 and ISO14001 standards, mainly specializes in developing Oil Drilling chemicals series, Water treatment chemicals series, Food additives, Oceanic chemical series, etc. Our main products include: a. Oil drilling chemicals series : (Caclium Chloride, Magnesium Chloride, Calcium Bromide, Sodium Bromide, Sodium Formate, Potassium Formate, CMC,etc.), b. Water treatment series : (Polyaluminium Chloride, CaCl2, MgCl2, Cyanuric Acid, etc.) c. Food additives series : (Sodium Metabisulfite, Citric Acid Mono/Anhy, Sodium Bicarbonate, Magnesium Sulphate,etc.), d. Other chemical series : (Soda Ash Light/Dense, Caustic Soda Flakes, Choline Chloride, Sodium Lauryl Sulfate,etc.) We had established good cooperative relationship with several famous oil drilling companies in the world, and with their markets in the world, our products were sold to most of the oil wells in the world. Our products have not only occupied the oil drilling market, but also have been sold in Europe, South America, Canada, Japan, Korea and the Southeast Asia, etc. We always keep to the principle of "High-quality products, favorable prices, satisfying sales services, quick delivery and sincere cooperation", which is the basis for the success of Tenor Chemicals. 　　Our company always pay much attention to environmental protection, and all products are just in strict accordance with ISO9001 and ISO14001 standard. Our company will, as it always do, provide you with excellent services, and hopes to cooperate with friends from around the world for a great future