We have the most advanced production equipment, experienced and qualified engineers and workers, recognized quality control systems and a friendly professional sales team pre/after-sales support for Concrete Additives Concrete Admixtures, 99% Pure Monosodium Glutamate , Bulk Magnesium Chloride , Na2SiO3 ,Stone Cracking Powder . We have been in operation for more than 10 years. We are dedicated to quality products and consumer support. We invite you to visit our company for a personalized tour and advanced business guidance. The product will supply to all over the world, such as Europe, America, Australia,Ecuador, Sacramento,Romania, Canada.We set a strict quality control system. We have return and exchange policy, and you can exchange within 7 days after receive the wigs if it is in new station and we service repairing free for our products. Please feel free to contact us for further information and we will offer you competitive price list then.