Not reliable. According to official website, who was directly hired by BOSS, Huisheng didn't send a salary notice of 16, so Huisheng's salary of 16 is not reliable. Huisheng's comprehensive salary is15-18,000 yuan, five insurances and one gold, free shuttle bus, regular physical examination, year-end bonus, communication subsidy and catering subsidy. Wison Engineering Technology Service Co., Ltd., established on February 28th, 20 12 and headquartered in Shanghai, is the largest private chemical EPC (design, procurement and construction management) service provider in China, specializing in petrochemical, coal chemical and oil refining plant engineering construction and technical services.