im电竞

The grooved fittings, grooved mechnical tee (Fig. 3G), light duty grooved mechnical tee (Fig. 3GS), threaded mechnical tee (Fig. 3J), light duty threaded mechnical tee (Fig. 3JS), U-bolt mechnical tee (Fig. 3L), from Meide Group, have been CNBOP approved.