Qingdao ZhongYa Environmental Engineering Co., Ltd. has always been engaged in researching and developing advanced water treatment technique, and able to self-design and construct equipments or projects of seawater and brackish water desalination, sewage treatment and treated water reuse, drinking water filling facility and RO (Reverse Osmosis) purifier. Our company has a large number of experienced technicians and provides water treatment systems with stable function and timely after-sales ...   |