We own our factory and production lines — no middlemen. Get factory-direct prices, flexible MOQ, and full OEM/ODM customization.
From durable long-standby feature phones to full-featured Android smartphones — all produced in-house and fully customizable.
2G/3G/4G keypad phones, big battery, loud speaker, senior & rugged models. Ideal for emerging markets and bulk orders.
Get Feature Phone Catalog →Entry to mid-range 4G/5G smartphones, latest Android OS, custom UI, camera and memory configurations available.
Get Smartphone Catalog →Everything below is done under our own roof — that's how we keep prices low and quality in our control.
Self-owned 10,000㎡ plant with 8 SMT & assembly lines.
Custom logo, packaging, UI and full hardware design service.
30+ engineers for fast development and firmware support.
Low minimum order to help you test the market with less risk.
Our phones and factory hold the international certifications buyers require for smooth customs and resale.
A transparent 5-step production flow you can audit and track at any stage.
Send your needs & target price
Custom sample & approval
Mass production on our lines
100% inspection before packing
Global delivery by sea/air/express
Founded in 2010, Callong is a professional manufacturer of feature phones and smartphones based in Shenzhen, China. We control the whole chain — R&D, SMT, assembly, testing and packaging — inside our own factory.
Tell us your model, quantity and target market — our sales engineer will reply within 12 hours.