液态物的大量涌现,使市场起了巨大的变化。使用液态物较粉状物方便得多,它更易溶于水,度量也方便,产品从粉状变成液态,包装也随之发生巨大的变化,其中形形式式的塑料瓶、罐等容器占了统治地位。一、有透明窗的塑料桶经过改进后,市场大大扩大,改进在三方面取得了成功:(1)塑料桶 The massive emergence of liquid materials, the market has undergone tremendous changes. The use of liquid material is much more convenient than powder, it is more soluble in water, the measurement is also convenient, the product changes from powder to liquid, packaging also changes dramatically, including the form of plastic bottles, cans and other containers The dominance. First, the transparent plastic window barrel has been improved, the market has greatly expanded and improved in three areas: (1) Plastic bucket