I-Cotaus sele ivelisa ipolystyrene serological pipette iminyaka emininzi kwaye yenye yeengcali ipolystyrene serological pipette zabavelisi kunye nabaBoneleli e-China. Sinefektri yethu, sinokubonelela ngenkonzo elungiselelweyo. Ukuba ufuna ukuthenga iimveliso zesaphulelo, nceda uqhagamshelane nathi. Siza kukubonelela ngexabiso elanelisayo.