WorkVenture gives you an inside look at what it's like to work at Charn-in Instrument Co., Ltd., office & team photos, reviews and more. This is the Charn-in Instrument Co., Ltd. Company Page. All content is posted anonymously by employees currently or previously working at Charn-in Instrument Co., Ltd..Apply to BuilkApply to Banlue GroupApply to ITTPApply to WV