◆ 化工设备设计、制造、销售、安装；

◆ 压力容器设计、制造、安装（取得特种设备安全监察部门许可后经营）；

◆ 精馏工程的研发、设计、制造、销售、安装、调试、技术咨询、技术转让；

◆ 环保工程的研发、设计、制造、销售、安装、调试、技术咨询、技术转让；

◆ 塔器填料、塔内件、塔板、密封件的设计、制造、销售及技术服务；

◆ 一般项目：大气污染治理；环境保护专用设备制造、销售；

◆ 气体、液体分离及纯净设备制造气体、液体分离及纯净设备销售；

◆ 土壤及场地修复装备制造；土壤及场地 修复装备销售；

◆ 生垃圾处理装备制造；生活垃圾处理装备销售；环保咨询服务（除依法须经 批准的项目外，凭营业执照依法自主开展经营活动）；

◆ 调试及技术服务；石油设备、化工设备、矿山设备、环保节能设备设计、 生产、销售、安装及技术咨询；

◆ Design, manufacture, sales and installation of chemical equipment;

◆ Design, manufacture and installation of pressure vessels (operate after obtaining permission from the special equipment safety 

   supervision department);

◆ R&D, design, manufacturing, sales, installation, commissioning, technical consultation and technology transfer of distillation 

   engineering;

◆ Environmental protection engineering research and development, design, manufacturing, sales, installation, commissioning, 

   technical consultation, technology transfer;

◆ Design, manufacture, sales and technical services of tower packing, tower internals, trays and seals;

◆ General items: air pollution control; manufacturing and sales of special equipment for environmental protection;

◆ Gas, liquid separation and purification equipment manufacturing gas, liquid separation and purification equipment sales;

◆ Manufacturing of soil and site restoration equipment; sales of soil and site restoration equipment;

◆ Manufacturing of raw waste treatment equipment; sales of domestic waste treatment equipment; environmental protection 

   consulting services (except for items that must be approved according to law, carry out business activities independently 

   according to the business license);

◆ Debugging and technical services; petroleum equipment, chemical equipment, mining equipment, environmental protection 

   and energy saving equipment design, production, sales, installation and technical consulting;