印度采购需求：表面应力仪，玻璃表面应力仪，Wifi版表面应力仪，JF-3表面应力仪，表面应力，表面应力测量

I'm interested in acquiring a digital glass surface stress meter for our upcoming projects. Please provide me with your best price quotation, including any details regarding available models, lead times, and shipping options. Additionally, I would like to know about any bulk purchase discounts or warranty options you may offer. It would be helpful to receive information on the specifications and features of the various models you have. If you have a catalog or a link to your product range, that would be great as well. Please make sure to include any relevant certifications or test reports that come with the units. Looking forward to your prompt response!