Derock Linear Actuator Technology Co., Ltd. Sími/WhatsApp:+8613827493895 Tölvupóstur: yvette@szderock.com Heimilisfang:Blokk 86D, 86E, 5. iðnaðarsvæðið, Mashantou, Matian Street, Guangming District, Shenzhen, Kína.
