Hunan Leading Science & Technology Development Co., Ltd. is a professional manufacturer of intelligent pump control boxes applied for monitoring and protecting of pumps in home and industry use. Leading Science & Technology has always been a leader in the production, research & development of intelligent pump control boxes and relative pump control products. Millions of our prime products have been sold in the market for stable quality and reasonable price. Leading Science & Technology has taken care of protecting our own patent products. Leading Science & Technology has established stable relationships with many pump producers and distributors from at home and abroad.