Tetra Technologies Limited is a petro- chemical equipment/ fluid handling equipment distributor, stockist and supplier located in Hong Kong for Hong Kong and China markets mainly.

• 德雅科技有限公司 为一家成立于香港石油化工和液体流量储存； 输送及计量设备代理商； 存货人及销售商.；主要市场包括香港和中国内地