King Techina started in 1999, the   national high-tech enterprise, headquarters and R&D center is located in Hangzhou Yuhang economic development zone,   specializing in the R&D, production and marketing of products related to   the three core technologies (Intelligent microcapsule, symbiotic   domestication and testing services).With the patented technology of   intelligent microcapsule (IM technology), it is one of the three major   professional coating enterprises in the world, and is known as the   "coating expert" in the industry. In 2019, the company expanded its   business into the field of feeding micro-ecological preparations to help the   healthy breeding of livestock and poultry.