Grand Exploits Technology Co., Limited is a professional manufacturer of musical Instruments, our products include digital tuners, metronomes, metro-tuner, rhythm trainer, APM&Effects, all together over 20 types.Our factory is located in Shenzhen, China.

Our strong and professional R&D team are always looking for new ideas and better products. And we take innovation as the motive of our company. So far our products have been shipped to over eighty countries and districts both home and abroad, including America, Europe, Southern Asia, Japan, etc.

Our commitment is "Better Quality, Competitive Prices, and Excellent Service". We welcome you to join us to create a prosperous business future together.