Qingzhou Guangyu Temperature Control material Co., Ltd. is listed among the leading Hydroponic Greenhouse System Manufacturer and Retailer owing to the years of experience and expertise that result in...

Steel city economic development zone,Laiwu City,Shandong Province,China

Laiwu Zhengqi Plastic Machinery Co.,Ltd is professional plastic machinery manufacturer.Our company can research and development,design,manufacture,market and serve.The science and technology plays a l...