A wannan karon, Mr. Zeng yana fatan siyan injin sanyaya ruwa don sanyaya Laser Huaray 3W UV. Mista Zeng ya san abubuwa da yawa game da aikace-aikacen daban-daban na S&A Teyu ruwa chillers zuwa Huaray, Inno, Inngu, RFH da Coherent UV Laser a kan S&A Gidan yanar gizon Teyu.