CONCENTRATION OF RISKS (Details) - USD ($)	3 Months Ended	12 Months Ended
	Mar. 31, 2021	Dec. 31, 2020
Purchases	$ 1,631,599	$ 4,759,391
Percentage of cost of revenue	56.92%	49.22%
Payable Balance	$ 2,111,242	$ 1,939,570
Luxchem Trading Sdn Bhd
Purchases	$ 404,056	$ 1,350,069
Percentage of cost of revenue	14.09%	13.96%
Payable Balance	$ 404,056	$ 572,938
Changzhou Pro-Tech Trade Co. Ltd
Purchases	$ 451,074	$ 1,319,232
Percentage of cost of revenue	15.74%	13.64%
Payable Balance	$ 382,658	$ 335,215
Singapore Highpolymer Chemical Products
Purchases	$ 776,469	$ 2,090,090
Percentage of cost of revenue	27.09%	21.62%
Payable Balance	$ 1,324,528	$ 1,031,417