Beijing Sjar Technology Development Co., Ltd. has its own R&D center and plant , Shandong Huaxin Optoelectronics Technology Co., Ltd. are located in Binhai Development Zone, Weifang City, Shandong Province. And include production workshop, pilot synthesis laboratory, R&D and synthesis laboratory, analysis laboratory, office, etc. It has complete equipment such as high performance liquid chromatography, gas chromatography, liquid chromatography-mass spectrometry and other testing instruments. It also has a R&D team with rich industry experience and strong technical strength.