Shanghai Lianhua Industrial Co., Ltd. is the subsidiary of Lianhua Technology in Shanghai. Lianhua Technology was established in 1982 and is China's largest manufacturer of rapid water quality testing equipment. Porduction including: cod rapid measuring instrument series,ammonia nitrogen measuring instrument series, total phosphorus measuring instrument series,multi-parameter water quality testing series,BOD measuring instrument series, total nitrogen measuring instrument series.We have sold our products to more than 20 countries in Southeast Asia, America, Africa, Europe, etc. Committed to providing customers with high-quality laboratory products and comprehensive solutions.