... Lady or Gentlemen:Shenzhen Coold Science & Technology Co., Ltd. works in the areas of High Technology and Professional CAD ... , Metal Welding , Hardware processing and production, Science and Technology Project Development Services . Since its inception , by adhering ... COOLD SCIENCE & TECHNOLOGY CO., LTD. ADD: The maozhoushan industrial park, Houting, Shajin town, Baoan region, Shenzhen city, China