Green Pine Garage Door Development Group is a company specialized in R&D, manufacturing, sales and installation and service of luxurious automatic garage doors and automatic doors for business and industry use. Strong technical strength, advanced production equipment, complete quality management system, professional installation team, powerful sales network, perfect after-sales service, and productive capacity of 800,000 annual garage doors, 800,000 door lifters and 800,000 sets of standard hardware accessories which are sold in 18 countries, all these contribute to the immovable high position of the company in the field of commercial …… Garage Door--International standard manufacture All the hardware is manufactured strictly according to the international standard. Therefore, our product meets China and international relevant standards;