Domestic production chemical glass pipe and equipment for large manufacturers, in production technology, craft equipment, research and development ability of the output and quality products in domestic has certain status and influence, the product has been widely used in chemical, pharmaceutical, dyestuff, pesticide, salt chemical industry, military, chemical, food chemical industry, paper making, electroplating, environmental protection industries, and for its continued progress plays a tremendous role. The glass to industrial excellent anti-corrosion properties, smooth surface, clear and transparent, safe and reliable, pipeline and fine qualities such as selection of equipment installation of flange connection system, can not use any special installation means conditions, very co..