HK Macro Prosperity Industry Co., Ltd. is based in China and lists safety valves testing machines on Global Trade Plaza. The company, established in 2013, offers products including Portable Safety Valves Pressure Testing Machine, Set Pressure Breather Valves Testing Machine, and Computerized Testing Machine For Safety Valves. These machines are designed for testing safety and breather valves in industrial settings, with specific technical parameters such as model numbers, operating systems, pressure ranges, and accuracy levels as stated in the product details. Buyers can send an enquiry through Global Trade Plaza.