Our company has cooperated with Sinopec Ningbo Engineering Company and Sinopec Tenth Construction Co., Ltd. to successfully undertake and implement the cleaning project of Zhenhai Refining and Chemical's 1 million tons/year ethylene plant. We have undertaken the chemical cleaning work of pipelines including cracking furnace, low-pressure condensate, boiler feedwater, deaerator, desuperheating water, high-pressure steam, and about 3000M3 of equipment.