and research and development, production, sales and technical services of sewage treatment equipment; construction, commissioning and operation of environmental protection projects.
beijing huayi longcheng mechanical and electrical engineering co., ltd. specializes in the design and installation of ventilation ducts. its service scope includes: waste gas treatment, beijing waste gas treatment, waste gas treatment equipment, organic waste gas treatment, waste gas treatment system, waste gas treatment engineering, waste gas treatment equipment, beijing ventilation duct processing, beijing factory ventilation duct installation, beijing ventilation duct equipment, ventilation duct design, factory workshop ventilation duct, factory ventilation duct, central air-conditioning ventilation duct. consultation hotline: 13910737538.告frp products, waste gas treatment冲yantai jiarun environmental protection equipment co., ltd. is located in yantai, a beautiful coastal city. the company is located in longkou high-tech industrial park, longkou city, yantai city. the company specializes in waste gas treatment equipment in various industries.不chemical industry不plate井sewage treatment equipment, shandong kepai environmental protection equipment co., ltd.鸿(shanghai lizman laboratory equipment co., ltd. is a laboratory overall solution provider. for many years, it has been committed to the research, development, manufacturing and turnkey engineering of high-quality laboratories, and the implementation of turnkey projects, insisting on providing laboratory operators with a safe, standard and comfortable working environment.