Ammonia Process Control (氨生产过程控制) Methanol Process Control (甲醇生产过程控制) Ethylene Cracker Effluent (乙烯裂解排放监测) Ethylene Oxide Reactor (乙烯氧化反应监测) PE/PP Reactor ( PE/PP 反应器监测) Propane Dehydrogenator Hydrogen Production Natural Gas Analysis (BTU) (天然气分析) Synthesis Gas (合成气体分析) Ambient Air (环境气体监测) Hydrocarbon Processing (碳氢过程监测) Environmental (环境) Metals Production (冶金钢铁生产) Fermentation Process (发酵过程) Semi-Conductor and associated materials (半导体及相关产品) General Laboratory (实验室通用)