Scientific testing

33/3, Hatkhoal Road, Dhaka, Bangladesh

508 Motaleb Mansion, Room # 508, 2 R.k. Mission Road, Dhaka, Bangladesh

33/2, Hatkhola Road, Tikatuli, Dhaka, Bangladesh

30, Bangabandhu Avenue (ground Floor), Dhaka, Bangladesh

53, Purana Paltan, Suite # 406, Dhaka, Bangladesh

23/4c, K. M. Dash Lane, Tikatuly, Dhaka, Bangladesh

G.p.o Box-2040, Suite-c-2, Rupsha Tower, Banani, Dhaka, Bangladesh

68/2 Purana Paltan, Dhaka, Bangladesh

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78, Motijheel C/a, Dhaka, Bangladesh

Sheikh Ansar Ali.md M/s Wave Trades Ltd.2/11a Mymensingh Rd(habibullah Rd), Dhaka, Bangladesh

107 Motijheel C/a, (1st Floor), Dhaka, Bangladesh

30, Bangabandhu Avenue, Dhaka, Bangladesh

6, Hotel Shahjahan, Chittagong, Bangladesh

Halishahar Road, Agrabad, Chittagong, Bangladesh

11/1, Abhoy Das Lane, Hatkhola, Dhaka, Bangladesh

60, Dilkusha C/a, Dhaka, Bangladesh

11/1, Abhoy Das Lane, Dhaka, Bangladesh

33/3, Shahid Nazrul Islam Road, Dhaka, Bangladesh

31, Bangabandhu Avenue, Dhaka, Bangladesh