How is the treatment of Sinopec North China Petroleum Bureau?

All right. The monthly salary of Sinopec North China Petroleum Bureau is 2-7k, including five insurances and one gold, paid holidays, annual leave, travel allowance and accommodation allowance. Established in 1975, North China Petroleum Bureau and North China Branch are large state-owned enterprises under Sinopec, integrating oil and gas exploration and development, petroleum engineering construction, scientific research and technical services, and oil and gas sales.