Shandong Tenv Intelligent Technology Co., Ltd. is one of the famous and big manufacturers of glass equipment, windows equipment, CNC equipment. Since its inception in 2002, and after many years of development and growth, the company is now playing a leading role in glass machinery and windows door machine inChinaTenv has 2 factories, which are located in Jinan City. Advanced products, exquisite techniques, solid working, and cordial services