1998---
First foundry set up, total covers an area 2,000 square metres. 
           1set 1 Ton / hour cupola,17 worker. main products: Cast iron manhole cover for Beijing Municipal. Pig iron price CNY600/ton. 
2001---
First Moulding shop. covers an area 1500 square metres.
           1set 3MT/hour cupola, 65 worker. Main products: cast iron soil pipe fittings for Beijing and Tianjin Municipal. Pig Iron price CNY1400/ton. 
2002---
Second Moulding shop, Covers an area 2000 square metres.
            1set 5MT/hour cupola, 1ton induction furnace.Main products: JIS G5527 ductile iron pipe fittings size DN75-DN200MM, pillar hydrant. pig iron CNY2000/ton. 
2003---
First machining shop, Covers an area 1800 square metres.
            Start mould make by ourselves.  Main products: JIS G5527 ductile iron pipe fittings size DN75-DN600MM; EN124 Ductile iron manhole cover, pillar hydrant, 
2004---
First set core shooting machine; 
            Main products: JIS G5527 ductile iron pipe fittings, EN124 ductile iron manhole cover and gully grating A15--D400; BSEN545:2002 ductile iron pipe fittings, pillar hydrant. 

pig iron 3000/ton. 
2005---
Lost Foam moulding line for big than DN400mm fittings
            Main products: EN124 ductile iron manhole cover and gully grating A15--E600; EN545/598 ductile iron pipe fittings, JIS G5527 ductile iron pipe fittings 
2006---
First CNC lathe and First Milling Machine
            Main products:EN124 ductile iron manhole cover and gully grating A15--E600; EN545/598 ductile iron pipe fittings, 12-18"Driving wheel, JIS G5527 ductile iron pipe fittings 
2007---
Third Moulding shop, Covers an area 2000 square metres, Epoxy powder coating workshop
            Main products:
            EN124 ductile iron manhole cover and gully grating A15--E600; EN545/598 ductile iron pipe fittings DN80-1000mm,  Driving wheel, JIS G5527 ductile iron pipe fittings, AS2280 ductile iron pipe fittings