... of products 100% tested more than twice before delivery. Provide the most reliable product quality ! All of our products are ... , ISO9001:2008 and IEC standard .>>>All of products are with the leak electricity protection system, power overload protection system, overheat protection ... UL,ETL,SAA ,ROHS Approval for all electronic materials.>>>All the piping and equipments in our spas are UV-proof and can ...