NENGJING's wholly-owned subsidiary — Sichuan Bofen Testing Technology Co., Ltd. — is a CMA-accredited third-party testing institution. Its solution test reports are scientific, authoritative, impartial, and legally binding. The company primarily provides analytical testing services for desulfurization and decarbonization solvents, covering parameters such as total amine concentration, foaming tendency, activator content, sulfur and carbon loading in rich/lean solutions, heat-stable salt content, and concentrations of formate, acetate, oxalate, nitrate, nitrite, sulfate, sulfite, thiosulfate, phosphate, thiocyanate, iron, sodium, potassium, nickel, chromium, copper ions, suspended solids, moisture content, etc.