●The shell of ball valve nipple drinker for layers, made of ABS engineering plastic, is corrosion-resistant and resistant to chicken pecking;●Three layers of seal structure, made of stainless steel, making the drinker do not leak within 10 minutes; ●The v
The standard clear quartz tube is produced by high purified quartz sand. It has high purity, strong heat resistance, high transmission rate, and precise dimension.