Ningbo K. J. Scaffold Co., Ltd is a subsidiary of NingBo YinZhou HuaChang Machinary Co.,Ltd. K.J. is an export oriented and a leading OEM Manufacturer locating in economic development zone, NingBo, Zhejiang province,China. We specialize in steel ringlock system scaffold and tube & clamp scaffold.ISO 9001 certified K.J. covers production area of more than 10,000 Square meters and a workforce of 100 employees. Our company produces approximately 50 containers and 15,000 tons of tube monthly and export to all over the world.All system scaffolds are by strict testing system to keep qualified products according to BS,EN, AS standards.BS/EN 12810 for system scaffoldBS/EN12811 for tube and fittingBS1139,EN74,AS/NZ 1576 for coupler