About Company

Yuan Gang ductile iron pipes , fittings and valves are engineered and manufactured to high standards in a 34120-square meters factory complex at Guan Tyan Industrial Park ,Tainan ,Taiwan.

Floor space	34,120 m²
Total power	3100HP (2300KW)
Employees	332 (1999)
Production capacity : Straight Ductile Iron Pipes	45,000 tons/year
Ductile Iron Fittings	2,400 tons/year
Valves	2,000 tons/year

Due to the fast growing demand both domestically as well as internationally, Yuan Gang lndustrial Co., Ltd. invested and established new association with Rizhao Zhufu Industry Co., Ltd. to provide DI Pipes and with Qingdao Dongfeng Water Supply Equipments Co.,Ltd. to provide Fittings as associated companies at a competitive price with efficient service keeping the quality as highest priority.

Production capacity : Straight Ductile Iron Pipes	150,000 tons/year
Ductile Iron Fittings	25,000 tons/year
Valves	3,000 tons/year

Yang Gang has involved by way of investing and in providing Rizhao Zhufu Industry Co., Ltd. and Qingdao Dongfeng Water Supply Equipments Co., Ltd. with well trained skilled personnel to meet the international demand of Pipes & Fittings to suit the Client’s demand & delivery requirements. They are capable of producing DI Pipes & Fittings with a dia. range of 80 mm to 2,000 mm.

May 1978	Established the company
May 1979	Completed the factory building and produced the Ductile Iron Fittings, DN75mm - DN600mm diameter.
Nov. 1979	Produced the Ductile Iron Fittings, DN2000mm-DN2600mm diameter to meet the demand from the constructions of the Taipei Water Supply Business Office.
Feb. 1980	Produced Sluice Gate Valves, Gates, Fire Hydrants and valves for the water supply organizations.
Nov. 1981	Received the honor of being Class B excellent water equipment factory from the Water Works Association of the Republic of China (Taiwan).
Oct. 1982	Extended more factory land area & built the valve factory, and increased more machinery and equipment for valve & special fitting production.
Jun. 1983	Started to export the DN100mm-DN800mm ductile iron fittings to Saudi Arabia and opened the International market since then.
Mar. 1984	Had a technical collaboration agreement with KUBOTA LTD., Japan, on the development of Butterfly Valves , Sluice Gate Valves, Check Valves, and Air Release Valves etc.
Feb. 1985	Started the production of DN75mm-DN1000mm Ductile Iron Pipes of centrifugal resin sand shell mold casting.
May 1985	Had been graded as Class A excellent manufacturer by The Commodity Inspection & Quarantine Bureau of Taiwan.
Aug. 1986	Had been graded as Class A water pipe contractor by the Department of Construction Taiwan.
Nov. 1986	Set up the Engineering Department to do the business of water pipeline constructions.
Feb. 1987	Successfully developed the DN1800mm Butterfly Valves and put it into formal production.
Aug. 1988	Extended more factory land area and built new office building .
Jun. 1989	Purchased the 40 tons holding furnace from Swedish ABB Company and started its formal operation.
Jun. 1990	Completed the factory and equipment for producing the extra large size DNl350mm-DN2400mm Ductile Iron Pipes of centrifugal resin sand shell mold casting.
Mar. 1991	Successfully developed the DN2000mm x 5M Ductile Iron Pipe and put it into formal production.
Nov. 1991	Received the honor of being Class A excellent water engineering constructor from the Water Works Association of the Republic of China (Taiwan)﹒
Dec. 1991	Successfully developed the large size DN 2000mm, 2200m, 2400mm Butterfly Valves , and put them into formal production.
Mar. 1992	Investment in Qingdao, China for a new D.I Pipes, Fittings and Valves. Pipes ranging from DN 100 - DN 2600mm.
Jul. 1992	Successfully developed the DN75mm-DN300mm resilient valves which was officially used by the Taiwan Provincial Water Supply Corporation and the Taipei Water Supply Business Office.
Oct. 1992	Established, promoted and performed the system of computerization .
Mar. 1993	Successfully developed the DN350mm Resilient Valves and put it into formal production.
Apr. 1993	Successfully developed the DN500mm-DN2400mm Flap Valves ,and put it into formal production.
Apr. 1994	Head/Main Office Expansion Completed.
May. 1994	Purchased New Guan Tyan Second Factory.
Jan. 1995	Obtained ISO 9002 Certification.
May. 1995	Set up New Automatic Processing Plant For Small Diameter Pipes Up To 300mm.
June. 1995	Set up a New D.I.P Factory in China Qingdao Northern Steel & Pipes.
Jan. 1997	Set up Additional 8 Ton/Hr Capacity Cupola And 40 Ton Capacity Holding Furnace.
Dec. 1997	Set up an Automatic Sand Blasting Machine For Pipes.
Jul. 1998	Set up an Automatic Bitumen Spraying Machine For Pipes.
Sep. 1998	Set up a large diameter DN 2600mm Hydraulic (Water) Test Machine.
Nov. 1999	Successfully Developed DN 2200mm×5m large diameter ductile iron Pipe, and put into formal production.
May. 1999	Successfully Developed DN2600mm Butterfly Valves And DN1000mm Gate Valves.
Sep. 1999	Successfully Completed BS EN 545 certification.
Oct. 1999	Successfully developed the PE external coating on DIP as well as internal PU coating.
Nov. 1999	Obtained ISO 2531 certification for Ductile Iron Pipes and Fitting.
Feb. 2000	Developed S type restrained joint earthquake proof Ductile lron Pipe.
June. 2001	Successfully Completed BS EN 545 And BS 598 Certification under PSB Singapore.
Apr. 2002	Obtained ISO 10804-1:1996(E) for Restrained Jint D.I Pipes.
May 2007	Establishment of Association with Rizhao Zhufu Industry Co., Ltd. as an associated company.
Mar. 2011	Establishment of Association with Qingdao Dongfeng Water Supply Equipment Co., Ltd. as an associated company.

Department	Name of Equipment	Q'TY(set)
Melting	Low Frequency Induction (5 Tons)	3
	Cupola (4 Tons)	2
	Holding Furnace (40 Tons)	1
Castong Shop	Sand Mill	4
	Molding Machine	1
	Rolling Tank Type Shot Blasting Machine (1.5 Tons)	1
	Monorail Type Shot Blasting Machine (10 Tons)	1
	Air Compressor (20 HP)	2
	Pattern Making Machine	1
Machining Shop	Heavyduty Large Lathe	8
(Fittings)	Radial Drilling Machine 1600mm × 1500mm	2
	Powder Coating Machine(Ø75mm ~ Ø2600mm)	1
Centrifugal	Centrifugal Casting Machine(Ø75mm ~ Ø2600mm)	4
Casting Shop	Centrifugal Sand Lining Machine(Ø75mm ~ Ø2600mm)	4
	Core Drive(Ø75mm ~ Ø2600mm)	1
Machining Shop	Heavyduty Large Lathe(Ø3000mm × 6500mm)	8
(Pipes)	Special Drilling Machine	2
	Roller Type Shot Blasting Machine(Ø1200mm ~ Ø2600mm)	1
	Deformed Spigot Correction Machine(Ø75mm ~ Ø2600mm)	4
Machining Shop	Vertical Boring & Turning(Ø4000mm ~ × 1600mm)	3
(Valves)	High Speed Lathe(Ø900mm × 2000mm)	15
	Horizontal Boring & Torning	1
	Radial Drilling Machine(2500mm × 2000mm)	4
	Powder Coating Machine(Ø75mm ~ Ø350mm)	1

Cement Lining	Centrifugal Lining Machine(Ø75mm ~ Ø2600mm)	4
Hoist	Hoist(50, 20, 15, 10, 5 tons)	49
	Forklift(10, 5, 2 tones)	6
	Shovel Car.(2 tone)	2
Annealing	Continuous Annealing Furnace(Ø75mm ~ Ø1200mm)	1
	Vertical Annealing Furnace(Ø1350mm ~ Ø2600m)	1
Pressure	Pipes Pressure Tester(Ø75mm ~ Ø2600mm)	4
Testing Shop	Valves, Fittings Pressure Tester(Ø75mm ~ Ø2600mm)	2
Inspection	Spectrometer Analysis ARL:3460	2
	C.E Meter: MUB-450	1
	Metallographic Microscope(ITC-410)	1
	Rubber Aged Tensile, Hardness, Tester	1
	Universal Testing M/C(30 tons)	1