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　　 The factory is engaged in the maintenance and production of various supportive auto-control valves for the industries of metallurgy, construction materials, power plant and chemical engineering.

　　In the metallurgy industry, Guanghua has participated in the projects of:
Supportive electric butterfly valves and electric hot air directional control and dump valves for two projects exported to Iran, China Non-Ferrous Metal General Company.

　　Gas and hot air butterfly valves, Handan Steel Group Iron Branch.

　　High-performance sealing butterfly valves for oxygen generators, Handan Steel Group Power Branch.

　　Iron smelting and blast furnace construction and maintenance projects, Sanming Steel Works.

　　Blast furnace and iron smelting renovation, Shaoguan Steel Works.

　　Blast furnace construction, Benxi Steel Works.

　　Rolled steel, bar Iron and Steel smelting, Hefei Steel Works.

　　Blast furnace construction, Meishan Smelter.

　　Blast furnace maintenance and open hearth to converter upgrading, Anshan Iron and Steel Company.

　　Coke furnace construction, Linyuan Steel Works.

　　Coke furnace, coal spraying and three-burning projects, Benxi Beitai Iron and Steel Company Iron Smelting Branch.

　　Bar steel and wire rod projects, Beitai Iron and Steel Company.

　　Heating furnace renovation, Capital Iron and Steel Group Iron Smelting Company.

　　Flue gas reclamation, Qingdao Steel Works.

　　Iron smelting and steel rolling renovation and blast furnace maintenance, Wuhan Iron and Steel Company.

　　Iron smelting and steel rolling renovation and blast furnace maintenance, Shanghai Iron and Steel Group No.1 Workshop

　　Iron smelting and steel rolling renovation and blast furnace maintenance, Shanghai Iron and Steel Group No.2 Workshop

　　Steel rolling, Beitai Iron and Steel Works.

No.	Year	User	Designer
1	84	Line 1 for float glass, Luoyang Float Glass Factory	Bengbu Glass Industry Design Institute
2	86	Line 3 for float glass, Luoyang Float Glass Factory	Bengbu Glass Industry Design Institute
3	86	Float glass line, Luoyang Float Glass Factory	Bengbu Glass Industry Design Institute
4	91	Glass melting furnace part for Indonesian 400T float glass line	Bengbu Glass Industry Design Institute
5	92	400T Float glass line, Luoyang Longmen Glass Factory	Luoyang Glass Group Technology Center
6	93	400T Float glass line, Xiamen Mingda Glass Company	Bengbu Glass Industry Design Institute
7	94	400T Float glass line, Chenzhou Bada Glass Company	Luoyang Glass Group Technology Center
8	94	400T Float glass line, Weihai Glass Factory	Bengbu Glass Industry Design Institute
9	94	450T Float glass line, Hangzhou Glass Factory	Bengbu Glass Industry Design Institute
10	94	400T Float glass line, Sichuan Glass Comapny	Bengbu Glass Industry Design Institute
11	94	400T Float glass line 1, Zhangjiagang Glass Factory	Luoyang Glass Group Technology Center
12	95	500T Float glass line 2, Zhangjiagang Glass Factory	Luoyang Glass Group Technology Center
13	95	Cold repair & reconstruction of float glass line 3, Luoyang Glass Factory	Luoyang Glass Group Technology Center
14	96	500T Float glass line 1, Zhangjiagang Glass Factory	Luoyang Glass Group Technology Center
15	97	650T upgrade for float glass line 1, Luoyang Glass Factory	Bengbu Glass Industry Design Institute
16	98	Cold repair & reconstruction of float glass line 2, Luoyang Glass Factory	Luoyang Glass Group Technology Center
17	99	Zhangjiagang Glass Factory float glass line 1 cold repair and expansion to 580T float line	Qinhuangdao Glass Design Institute
18	2000	Zhangjiagang Glass Factory float glass line 2 cold repair and expansion to 580T float line	Qinhuangdao Glass Design Institute
19	2000	Microcrystalline glass line 1, Zhangjiagang Glass Factory	Zhangjiagang Glass Research and Design Institute
20	2000	400T float glass line, Luoyang Glass Group Mianchi Glass Factory	Luoyang Glass Group Technology Center
21	2001	700T float glass line 5, Zhangjiagang Glass Factory	Qinhuangdao Glass Design Institute
22	2001	380T float glass line 7, Zhangjiagang Glass Factory	Qinhuangdao Glass Design Institute
23	2001	Microcrystalline glass line 2, Zhangjiagang Glass Factory	Zhangjiagang Glass Research and Design Institute
24	2001	Ultrathin float glass line, Luoyang Glass Group Longmen Glass Company	Luoyang Glass Group Technology Center
25	2002	Silver mirror glass line, Zhangjiagang Glass Factory	Zhangjiagang Glass Research and Design Institute
26	2002	Reconstruction of float glass line 3 to 550T float glass line, Zhangjiagang Glass Factory	Zhangjiagang Glass Research and Design Institute
27	2002	Vietnam DAP CAU glass production line with Colburn and rolling processes	Bengbu Glass Industry Design Institute