Xiazhuang Industry Park, Chengyang, Qingdao, Shandong, China

<p class="intro-cnt J-txt-cnt"> Qingdao Doowin Rubber and Plastic Co., Ltd. is a leading professional manufacturer of underwater lift bags, marine salvage bags...

B320, Traffic Valley, 163 Shenzhen Road, Qingdao, Shandong, China

<p class="intro-cnt J-txt-cnt"> As one of leading manufacturer for more than 17 years in China and most reliable supplier of miniature transformer, choke, curr...