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Istwa Konpayi an

1987

Tuofeng Fusion Quartz faktori etabli, leta.

1997

Te fonde antrepriz prive Feida Quartz Limited.

2004

Deplase li nan Fangshan distri endistriyèl ak bati plant fabrikasyon pwòp nou yo ak chanje non konpayi an Lianyungang Dinglong Quartz limite.

2005

Enstalasyon opere modènize ak angaje nan sibtilite fabrike nan materyèl kwatz.

2012

Revni anyèl konpayi an depase 80 milyon yuan.

2017

Fè amelyorasyon konstan nan pwodwi nou yo, sèvis ak enstalasyon ak inovasyon kontinyèl.

2020

Koulye a, yon dirijan konpayi fabrikasyon materyèl kwatz ki pwodui, trete, ak distribye nan yon pakèt domèn materyèl kwatz. Kliyan Dinglong yo gaye nan tout tè pwensipal Lachin, Japon, Ewòp, Amerik di Sid, elatriye.

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