Qingdao longgreen new building materials technology Co., Ltd. is the high-technique company which is devoted in the ecology door's search, design, production and sale. The company is located in the beautiful costal city-qingdao laixi city industrial park, it covers more than 120, 000 square meters and the production capacity reaches 600000 sets per year.

Qingdao longgreen has cooperated with many colleges of forestry, by the way of persistant research and experiment and absorbency of the advanced technique experience home and abroad as well, we have combined the wood with enviromental resin sucessfully and developed the energy-conserving and environment-protective, water-proof, slipless longgreen ecology doors. The company has advanced mechanical equipments, pipelining craft production and scientific management methods to ensure that we can produce the ecology door complying with the modern decoration enviormental standard. The simple style, the smooth streamline, the variable colors and the advocating elegance's cultural basin make every item classic and fasionable! We will try our best to make every family posses the ecologically enviromental, fashional and durable high quality long green wood door!

Manufacture green ecology products, make up healthy harmonious society. The yongshangsheng employees believe "pleasant work, healthy life" and it is our mission that we can bring the enviromental, low-carbon high quality housing life to the thousands of families.