No.11, TIianyuan Steel-Market

Established in 1998, HeNan Xinfengyi Enterprise Co., Ltd. specializes in seamless steel pipe products, including carbon seamless steel pipes, alloy steel pipes, boiler pipes, oil pipes ,hydraulic prop...

28-2, Jalan Sri Permaisuri 9

Noise cost money. Excessive noise can cause annoyance or loss of concentration, and productivity may fall. Deviation from noise standards may also corrupt products or data obtained. So, many approache...