Chongqing Dingneng Oil Purifier Manufacture Co., Ltd. a jɔɔk në 2002, a jɔɔk në Chongqing Dingneng Filter Equipment Factory, a jɔɔk në 2009 Chongqing Dingneng Oil Purifier Manufacture Co., Ltd. a jɔɔk në R & D, luɔɔi, ɣaac ku luɔɔi de kä ye kek looi. A cï rot bɛ̈n ya kɔc kɔ̈k ye kɔc kɔ̈k ye kɔc kɔ̈k ye kɔc kɔ̈k ye kɔc kɔ̈k ye kɔc kɔ̈k ye kɔc kɔ̈ Në pɛɛi de thiɛ̈ɛ̈r de 2015, akutnhom acï bɛ̈n jam në luɔɔi de luɔɔi de luɔɔi de luɔɔi de luɔɔi de luɔɔi de luɔɔi de luɔɔi de luɔɔi de luɔɔi de luɔɔi de luɔɔi de Kä ye kek looi aye kä ye kek looi në bɛ̈ɛ̈i kɔ̈k peei yiic ku kä ye kek looi në bɛ̈ɛ̈i kɔ̈k peei yiic (cït mɛn PALL, ABB, KATO, SANMI, JAPAN, JAPAN, JAPAN, JAPAN, JAPAN, JAPAN, JAPAN, JAPAN, JAPAN, JAPAN, JAPAN, JAPAN, JAPAN, JAPAN, JAPAN, JAPAN, JAPA Në pɛɛi de thiɛ̈ɛ̈r de 2016, akutnhom de kɔc cï puɔ̈l bɛ̈n looi në "third generation" intelligent flagship model "Q series" vacuum oil filter, technical performance higher than domestic peers, multiple performance indicators higher than international competitive brands, belonging to the domestic obvious competitive advantage high "cost ratio" products. Në ye mɛn, Dingneng Company ye kɔnɔ ye kɔnɔ ye kɔnɔ ye kɔnɔ ye kɔnɔ ye kɔnɔ ye kɔnɔ ye kɔnɔ ye kɔnɔ ye kɔnɔ ye kɔnɔ ye kɔnɔ ye kɔnɔ ye kɔnɔ ye kɔnɔ ye kɔnɔ ye kɔnɔ ye kɔnɔ ye kɔnɔ ye kɔnɔ ye kɔnɔ ye kɔnɔ ye kɔnɔ ye kɔnɔ ye kɔnɔ ye kɔnɔ ye kɔnɔ ye kɔnɔ ye kɔnɔ ye kɔnɔ ye kɔnɔ ye kɔnɔ ye kɔnɔ ye kɔnɔ ye kɔnɔ Saan tɛ̈n tɛ̈n tɛ̈n tɛ̈n tɛ̈n tɛ̈n tɛ̈n tɛ̈n tɛ̈n tɛ̈n tɛ̈n tɛ̈n tɛ̈n tɛ̈n tɛ̈n tɛ̈n tɛ CNDN Oil Filter Company ye tɛ̈n yenë teknolojii de kɔc cï puɔ̈c looi, ku ye tɛ̈n yenë kɔc cï puɔ̈c looi, ku ye tɛ̈n yenë kɔc cï puɔ̈c looi, ku ye tɛ̈n yenë kɔc cï puɔ̈c looi, ku ye tɛ̈n yenë kɔc cï puɔ̈