We sell the machines
Lab scanners and production sorters for black specks, contamination, and color defects in polymer pellets, at factory pricing with international service built in.
About Us
The Overseas Home of ZhongChuang Optical Sorting
Gayan Tech Co., Ltd. (Shanghai Jiayan Automation Technology Co., Ltd.) is the authorized overseas sales and service partner of Beijing Zhongchuang Science and Technology Co., Ltd. (FOD Instruments) for polymer pellet optical inspection and sorting systems — authorized for global overseas sales, toll processing, and sample testing services.
We Do Three Things
We run them for you
Sample testing and toll sorting at our Shanghai facility, so you can verify results on your own material before any commitment.
We engineer them into your line
Custom online inspection and rejection solutions for extrusion, compounding, and pelletizing.
Our partnership with ZhongChuang, and why customers choose one accountable partner, are explained on the Why Gayan page.