三级国产日本绯色av影视,日韩欧美一级特黄大片,国产免费av一区二区

Yongkang Guijin Industry & Trade Co., Ltd. is located in ----- Yongkang, the hardware capital of China. The company has professional technology, professional design personnel, sophisticated machinery and equipment, trustworthy quality. All kinds of high-quality stainless steel hinge are favored by domestic and foreign customers. The building of the brand can not be separated from a steady stream of technological innovation, steady progress, continuous innovation focus on quality is the eternal theme of GUI Jin.
The company mainly produces European standard doors, cast aluminum doors, copper doors, splicing doors, Grade A doors high-end stainless steel hinge. Since its establishment, the company has adhered to the enterprise philosophy of "scientific and technological innovation, people-oriented" and the design concept of "good at heart, simple in shape", introduced the United States, Germany, Italy and other countries and domestic famous experts to participate in system development and design, and has a high education, rich experience in practical work, full of vitality of high-tech R & D team and management team.
Unique product design, excellence is our eternal pursuit.