The ferrite also exacerbate the wear and reduce the intensity of the mirror. Swan Pistons. Under normal circumstances, low pressure HT200, HT250 or medium voltage HT300. 3, noise control industry standard specifies the laboratory air compressor noise should be controlled in less than 60 db, Pistons Swan | Swan Pistons Xingchang | Xingchang Pneumatic Machinery (certified merchants) from Qingdao Xingchang Pneumatic Machinery Co., Ltd. provided. Road Zhiyuan, temper forward. Qingdao Xingchang Pneumatic Machinery Co., Ltd. (www.xckyj.com) aims to become and you win symbiosis, strategic partners to move forward, more determined to become the most influential industry-specific equipment business, and you leap to jointly Success!