Guangzhou J&J Sanitary Ware Co. Ltd. Keep specializing in hot tubs and swim spas, is one leading manufacturer of spas. We are an ISO9001:2008 and ISO14001:2004 certified company by S.G.S.. which means our quality control system, design, manufacturing and service are been strictly according to the ISO9001:2008 highest international standards. The hot tubs and swim spas are in accordance with the standards of ETL, CE, TUV GS mark, GOST-R, SAA, C-tick and KC.