Dryer filter should be installed before the automatic drainage. Should be marked on the nameplate production name and date of manufacture enterprises, supervisory inspection units in the upper right corner of the nameplate whether supervisory inspection agency seal Qingdao steel tank sales, and stainless steel cylinders, must be marked on the product nameplate pressure number, weight, volume size, are exposed to the maximum pressure and pressure and pressure testing, but also indicate that the gas tank of the medium, just below the nameplate entire tank must have the product number stamp, and the stamp ID number and nameplate must agree, if we find the two numbers are inconsistent, please do not buy the best. Qingdao stainless steel cylinders | stainless steel cylinders | Xingchang compressor provided by Qingdao Xingchang Pneumatic Machinery Co., Ltd .. Qingdao Xingchang Pneumatic Machinery Co., Ltd. (www.xckyj.com) strong, credible, Shandong Qingdao industry-specific equipment industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Xingchang Pneumatic Machinery and you hand into the brilliant, for a better future!