We Ningbo Huben Instrument Co., Ltd. Located in Cixi City Zhejiang Province P. R.C.. We have 10 years experience in pressure gauges, refrigerent gauges and auto maintenance tools etc.. There are three production lines, over 50 passionate workers in welding, assembling, calibration, test and packing. Our products is 100% inspected. We wish a win-win business relationship with you in future. Welcome to visit us, welcome to China!