Hangzhou Jinggong Machinery Co., Ltd. is a high-tech enterprise established in 2003. In the more than ten years since its establishment, Seiko has been specializing in the research, development, production and sales of fiberglass tempering equipment. Seiko adheres to the concept of innovation, service and quality, and constantly improves and transcends itself.

Seiko's main products include square matrix mid-infrared forced convection joint double-chamber furnace, flat-bend integrated fiberglass tempering furnace, continuous thin-plate fiberglass tempering furnace, etc. Among them, Seiko launched the first-generation square matrix forced convective double-chamber furnace in 2012 and was widely praised by the market, and successfully stood at the commanding heights of high-quality Low-E fiberglass tempering solutions.