Zhejiang Renzhi Co., Ltd., together with its subsidiaries, provides professional services in the oil and gas drilling and engineering fields in China. It operates through Benevolent Wisdom, Petrochemicals, New Materials, Ren Xun, and Other segments. The company is involved in the development, production, sale, and import and export trade of oilfield chemical additives and new materials; and distribution of solar thermal power generation equipment, and electrical facilities and equipment. It also offers drilling fluid technical, anti-corrosion engineering technical, underground operation technical, oilfield environmental protection, pipe inspection and maintenance, photovoltaic engineering, petroleum and natural gas, drilling and completion technical, engineering management, project design, construction, water pollution control, oil and gas wastewater treatment, sludge pretreatment and tank cleaning, mud non-landing, resource utilization, clean production project technical consulting, environmental protection hazard management, and noise control services.