zuanlongbits@gmail.com

+86-029-82612068

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Email: zuanlongbits@gmail.com

Tel: +86-029-82612068

Fax: +86-029-82612068

Address:No 66, Changming Road, Xi'an, Shaanxi Province, China

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Shaanxi ZuanLong Drilling Machine Co.,Ltd Developing History May 12, 2004

Shaanxi Zuanlong Drilling Machine Co.,Ltd (shortening in ZLONG Company)started producing mining drill bits since 1997.company established in 2004,with registered capital of RMB 20million, is a hi-tech enterprise integrating R&D,manufacture and marketing.ZLONG Company professionally produces PDC drill bits,diamond drill bit,drill pipes and also R&D new products as per customers'request.All the products under control of ISO9001:2000 quality system and passed the inspection of Beijing Rock-drilling Machine Inspect Center and some of them obtained national patent.After several years' develop,ZLONG products have been widely used in cola mine field,petroleum field,and geological exploration field.Some of the products export to Vietnam,India and got widely praise from the users.

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ZLONG Company located in QUJIANG New District of the ancient capital of Xi'an,with strong power of capital and technique,ZLONG Company built modern office building and workshop,introduced advanced technique and manufacturing technique and has advanced manufacturing equipments and precise inspection instruments.
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ZLONG Company uses modern enterprise management to supervise the production and marketing.ZLONG Company sets strict inspection of raw material,management,technique and management to ensure zero defects and pursue 100% premium products.

ZLONG makes quality as its life,,best service as its soul!
Whenever you need,ZLONG is at your side!

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