... , Customized Machining , Laser Processing , Laser Welding , Metal Welding , Hardware processing and production, Science and Technology Project Development Services . Since its inception , by adhering ... without any hesitation . Best RegardsWillianms HuSHENGZE COOLD SCIENCE & TECHNOLOGY CO., LTD. ADD: The maozhoushan industrial park, Houting, Shajin town, Baoan region, Shenzhen city, China