Liaoning Senyuan Chemical Co., Ltd. was established in May 2015, mainly producing p-nitroaniline, nitroaniline, phthalocyanine pigments and other dyes, pesticide intermediates and pigments. Solvents such as methanol and xylene will be added in the production process, and toxic and harmful gases such as ammonia and chlorine will also be produced, posing a huge threat to life safety. The company offers the ASD5300C, ASD5300 gas detector and JB-TB-ASD5100 alarm controller.