1, Guangxi Zhengbang Environmental Protection Science and Technology Development Co., Ltd. is a collection of livestock and poultry manure integrated treatment equipment, organic fertilizer production equipment, sewage treatment, water purification equipment research and development, design, production, sales and after-sales service in one of the high-tech enterprises. The company's main products are livestock and poultry manure treatment equipment, organic fertilizer production equipment, sewage treatment equipment, water purification equipment, animal carcass harmless treatment equipment and pig farm supporting equipment. Zhengbang environmental protection always adhere to the professional technology, high-quality service, according to the actual use of demand and application conditions for the user to provide economic and complete solutions. 2, Nanning, Guangxi Meng Ze Yuan Environmental Protection Science and Technology Co., Ltd. professional water treatment manufacturers, the main products and equipment are water quality online monitor evaporation wind screen equipment integrated lifting pump equipment integrated wastewater treatment equipment ozone generator mbr wastewater treatment equipment Reverse osmosis equipment ultrafiltration nanofiltration equipment carbon steel filtration equipment and other water filtration equipment and various water treatment consumables filter media accessories for the majority of customers to provide water treatment products, a battle to buy all the services on the spot.