Tell us what you’re building.
jojo@sale.szrainbowsky.comInclude your preferred model, quantity and destination country.
LET’S TALK SMART ACCESS
Your next project
starts here.
Speak directly with our factory and foreign trade team about product selection, samples and OEM/ODM requirements.
OUR WORKING HOURS
Monday–Friday · 10:30–16:30
China Standard Time (UTC+8)
A direct conversation.
+86 135 3409 9319A BETTER START
Help us understand your requirements.
These details help our team recommend a configuration and prepare your quotation.
Model & installation
Share a product link, door material, thickness, opening direction and lock-body dimensions.
Quantity & destination
Tell us your estimated order quantity, destination country and sample requirements.
Your brand requirements
Describe your preferred finish, branding, packaging, app and language requirements.
BASED IN SHENZHEN
Connect with Rainbow Sky.
Shenzhen Rainbow Sky Electronic Technology Co., Ltd.
Room 601, Building 10, Area C, Longzhu Industrial Park,Buji Street, Longgang District, Shenzhen, Guangdong, ChinaOpen location in Google Maps
Map shows the Buji area. Please contact our team to confirm directions before visiting.