We， Shenzhen Green May Tech Co., Ltd is an industry and trade combined company. 
We are dealing with accessories for hydroponics & indoor growing for more than 10 years.
Our products including: digital probe thermometer hygrometer, seedling heat mat, PH & EC meter, digital portable microscope for plants observation....
In the past years ,we enjoy a good reputation among customers .The company is growing  faster each day with ourworkers’ mutual believe and effort: