We are one of Bourdon Tube, Pressure Gauge, Magnet Supplier located in Hangzhou China. Our products including: 1. Bourdon Tube : material :Stainless SteelCuSn8CuZn 15CuZn37MonelCuBe2. Standard Size: 1 1/2" - 6"40 ?160 mm. Pressure Range: 0.6 bar up to 100 bar and 10 psi up to 1500 psi. 2. Coiled Tube : material : Stainless SteelCuSn8Chrome MolyNiSpan CMonelCuBe2. Standard Size: 1 1/2" - 6"40 ?160 mm. Pressure Range: 60 bar up to 4000 bar and 1000 psi up to 60000 psi. In case our wide range of standard Bourdon does not meet your requirements, Ningfeng offers the "customer made" tube, a Bourdon Tube manufactured exactly according to the customers technical specifications. Feel free to ask for details. 3. Pressure Gauge: material : SS304Metal CaseBrassAluminiumABS Case. Type: General and Oil filledCrimp Bezel and Bayonet BezelBottom Mound and Rear Mount and Customer's Specifications. SS304 case for glycerin filled pressure gauge is our advantage, we use high quality materials, and cases are well molded to have easy assembly, strictly tested with other components to avoid oil leakage, and well polished to have a nice look. 4.Magnetic materials: We can produce SmCo,Alnico magnets by ourselves,there are nearly 3000 sets alnico mould in our factory. we made the products as per MMPA standard and IEC standard.Meanwhile as a permanent magnet materials supplier, we have good connections with some NdFeB factories in Ningbo city and ceramic factories in Dongyang city.