Shenzhen Greenstone Technology Ltd is a professional PCB manufacturer which is located in Shenzhen, China, we have been in this industry for more than 10 years and specialize in manufacturing double side and multi-layer PCB. our market positioning is prototype, low to mid volume but high end product and we enjoy high reputation from all the customers due to the reliable quality. Our product application including communication, computer, medical, power device, and printer etc.Relying on the advanced equipments and high & stable quality, we have been certificated with UL, ISO9001, SGS, ISO14001 environmental system. we are appointed as an excellent supplier by many famous companies both at home and abroad for our honesty and credit. Our overseas market has expanded to America, Europe, Asia, Australia, Middle East, South America, Africa etc.Our mission is to be a leading PCB manufacturer that provides high-tech & high-quality products at competitive price for our esteemed clients. We Sincerely hope to establish long term and cooperative partnerships with all customers and create a bright future together.One-Stop Service for your PCB sourcing