... Gentlemen:Shenzhen Coold Science & Technology Co., Ltd. works in the areas of High Technology and Professional CAD Design ... Metal Welding , Hardware processing and production, Science and Technology Project Development Services . Since its inception , ... , without any hesitation . Best RegardsWillianms HuSHENGZE COOLD SCIENCE & TECHNOLOGY CO., LTD. ADD: The maozhoushan industrial park, Houting, Shajin ...