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HOME > Q&A > Q&A
Why Chang Yi Shin?
Are your electrical components made in China?
What are your Quality Control Measures?
Why haven't you listed the prices of your products on your website?
What should I do if there is a malfunction in the sensor system? Does it mean I cannot get water fro
I like your automatic systems, but i'd like to implement it on my own faucet design. Is it possible?
Are you a trading company or manufacturer?
I'm interested in some of your products. Unfortunately, they don't exactly meet our demands, can mod