King Young Valves Co.,Ltd was established in 1985 and headquarter is in Taipei,Taiwan. King Young Valves Co.,Ltd is leading manufacturer of valves and had been supplied the best quality and the most competitive price such as concentric butterfly valves, double eccentric butterfly valves, and diaphragm control valves for over 30 years.testKing Young Valves Co.,Ltd was established in 1985 and headquarter is in Taipei,Taiwan. King Young Valves Co.,Ltd is leading manufacturer of valves and had been supplied the best quality and the most competitive price such as concentric butterfly valves, double eccentric butterfly valves, and diaphragm control valves for over 30 years.testKing Young Valves Co.,Ltd was established in 1985 and headquarter is in Taipei,Taiwan. King Young Valves Co.,Ltd is leading manufacturer of valves and had been supplied the best quality and the most competitive price such as concentric butterfly valves, double eccentric butterfly valves, and diaphragm control valves for over 30 years.test