Gwint Window & Door Technology (Shandong) Co.,Ltd. is an established manufacturer of customized windows, doors, sunrooms and curtain walls in China established in 2014 as a subsidiary of Shandong Huajian Aluminum Group Co.
Our company is equipped with Germany Elumatec CNC machines and other advanced automatic equipment that provides us with the ability to consistently provide quality-assured products certified with ISO 9001 quality control system and PHI certificate and CSA Certification. Our products are exported to and well-loved in the USA, Canada, UK, France, Japan, Russia, South Korea, Brazil, Singapore, Malaysia, Australia, and more. With a large factory area of 300,000 square meters, over 8,000 square meters of workshop space as well as 400 highly-skilled employees and 30 R&D engineers, the company's annual production capacity is at 1 million square meters.