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Units in 1.5 to 32in form the mainstream selection in China. Those below 10in dominate shipments.
Mainland China suppliers of capacitive touch panels turn out mostly 1.5 to 32in models for smartphones, tablet and high-end notebook PCs, automotive infotainment devices and smart TVs. Versions smaller than 10in form the bulk of shipments.
Products boast high resolution, quick response time, and enhanced surface hardness and long life span. Most comply with RoHS guidelines.
The key components and materials used in the manufacture of capacitive touch panels are control ICs, ITO film, cover lenses, glass and adhesive.
Makers obtain the first input mainly from Cypress, Elan and Synopsys, with some also turning to Atmel. ITO film comes from South Korea, Japan and Taiwan providers, and cover lenses from the last two. For glass and adhesive, mainland makers usually tap the local supply and purchase from foreign sources only as required.
Although the cost of manufacturing inputs remained generally stable, prices of capacitive touch panels went down by about 10 percent due to tight competition. This trend is expected to persist in 2016 but the rate of reduction will be below 10 percent.
Here is a selection of capacitive touch panels from China.

Model VTCG150A02-1.0 capacitive touch panel from Shenzhen Victor-Touch Technology Co. Ltd measuring 15in boasts ≥85 percent transmittance. Its response time is ≤16ms.
The units has 2.8 to 3.3V rated voltage and 12 to 14.5mA operating current. Insulation resistance is more than 20Mohm at 25VDC.
The minimum order is 200 units, and delivery time is 15 days.

Guangzhou Suntel Global Electronics Co. Ltd's model TouchAvvio777 capacitive touch panel measures 5in and weighs 100g. It has ≤15ms response time.
The maker requires a minimum order of 10 units. The delivery lead time is 3 days.

The Wiko Rainbow model from Guangzhou Ideal Electronic Technology Co. Ltd is a 5in capacitive touch panel with 720x1280-pixel resolution and ≤3ms response time. The unit has 99 percent precision. Operating temperature is -20 to 40 C.
The minimum order is 100 units, and delivery time is 7 days.

Shenzhen Tonrei Digital Technology Co. Ltd's model CTP215-GG-001A 10-point capacitive touch panel measures 21.5in. It has 16:9 aspect ratio, ≥4096x4096-pixel resolution and ≤15ms response time.
The unit uses chemically strengthened glass with ≥6H surface hardness and ≥87 percent transmittance. It operates in -20 to 70 C, and has a life span of 200 million touches.
Order quantity is negotiable. The delivery lead time is 7 days.
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