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  With a self-owned R&D team, Zhongganglian has developed core technologies with independent IPRs, and launched a large batch of new products.

  In collaboration with a number of scientific research institutions,
colleges and universities, our R&D Dept. also employs senior
industrial researchers as our consultants. Meanwhile, our Quality
Inspection Dept. has strengthened cooperation with Liaocheng Municipal
Quality Inspection Bureau to realize the sharing of talent, test equipment and technology to the greatest extent.

  Our Quality Inspection Dept. boasts international advanced experiment and
inspection equipment, universal hydraulic testing machines, spectrographs,
high and low-time microscopes, gap prototypes, metallographic analysis
instruments, projectors, infrared radiation thermometers, etc.

Our Science & Technology Building integrating scientific research, product development, technology innovation, quality supervision and inspection has been built. With first-class experiment equipment, strong R&D team, and solid technical strength, Zhongganglian will definitely develop into a world-class tubing production and trading base.