APEX—a global leader in Hydrogen Sulfide Removal, Gas Sweetening,CO2 Carbon Capture Technology, and VOC Control—specializes in solutions for H2S Removal from natural gas, CO2₂ Removal from natural gas, Biogas Upgrading, CO2₂ Recovery System, and oilfield specialty chemicals. We provide fully customized, full-industry-chain solutions for applications across oil & gas fields, natural gas, biogas, and VOC Treatment sectors. With 20 years of technical expertise, APEX has developed core desulfurization technologies such as Liquid Redox Sulfur Recovery, Amine Gas Treating, and Biological Desulfurization systems, achieving H2S purification levels as low as ≤10 mg/m³. Our CO2₂removal technologies include Amine CO2₂ Removal, Pressure Swing Adsorption CO2₂, Water Scrubbing for CO2₂ Removal, and Biogas Cleaning, enabling CO2 purification down to ppm levels. We also offer onsite amine solvent regeneration services, with annual recovery capacities exceeding 10,000 tons. Our products are widely applied in natural gas treatment, wellhead gas purification, associated gas from oilfields, and tail gas recovery in chemical plants. We proudly serve over 1000 enterprises including CNPC, Sinopec, and CNOOC, with operations covering 32 provinces in China and more than 30 countries worldwide. APEX’s mission is to continuously drive progress in environmental technologies and deliver sustainable solutions that safeguard our planet for future generations. Purifying Nature, guarding Blue Skies