Valve manufacturers Product description Oil gauge is a vibration proof gauge with oil filled inside for refrigeration only, using full stainless steel housing and extra wide beryllium bronze spring tube, it is used for freezer, cold store and air conditioning unit. Working pressure for low pressure oil gauge is from -0.1MPa to 1.8MPa, -0.1MPa to 3.8MPa. 4.3MPa or 5.8MPa is also optional for air conditioning system. FAQ Q1. When did your factory established? A: More than 30 years in the industry Q2. What machines you have in your factory? A: Laser cutting machine, high precision cutting machine, robot hand, auto welding machine, powder coating line, drilling machine, spray paint machine, edge banding machine, and etc.. Q3. What is the delivery time for mass production? A: About 15-20 days. Q4.Can you produce convey or as our requirements? A: Yes, OEM is available. We have professional team to do anything what you want from us. Q5. Which field are your products applied to? A: Our products are widely used into refrigeration industry, including: cold storage, supermarket, workshop, food factory and so on. Q6.What is your advantage compared with your competitors? A: (1). Qualified Manufacturer (2). Reliable Quality Control (3). Competitive Price (4). High Efficiency working (24*7hours) (5). One-Stop Service (6). More than 30 years鈥?experience in the industryValve manufacturers website:http://www.jinhaocooler.com/refrigeration-spare-parts/valve/