The gas meter is a kind of serializationproducts. Although the main difference is that gas meters of the same series possess different flux, they have the comparability in the entire structure.
燃气表是一种系列化产品，同一系列产品的主要区别是燃气表流量的不同，而它们的整体结构具有相似性。
2
Standard Products - product standardization and serialization of design, quality stable and reliable and can meet different requirements.
标准产品——产品标准化、系列化设计，质量稳定可靠，可满足不同的要求。
3
In 2007, three will be hung Aurora Metal Halide, T5, lamp cup, ballast, Tin Lantern, grille spotlights and stent area to develop new products, the core product expansion Serialization.