300 mm Drilling Diameter Diamond Core Drill Bit/Drilling Tools/Drilling Bit for Sale

Company profile                                        Shandong Yahe Construction Machinery Co., Ltd. is a leading enterprise focusing on the development and manufacture of small and medium-sized pile machinery. It is a modern high-tech enterprise with complete qualifications, advanced production technology and perfect after-sales service in southern Shandong. In the same industry, we have passed ISO 9001:2008 quality management system certification. Products include crawler rotary drilling rig, wheel rotary drilling rig, long screw rotary drilling rig and diesel hammer pile driver and other engineering machinery. DR series small rotary drilling rigs and DL square rod series rotary drilling rigs are widely recognized and praised by customers.similar product                                 Our drill bit can be customized and suitable for piling of most small and medium-sized engineering buildings. There are many types of drill bits: spiral bit, core bit, concrete bit, etc. All bits are produced and sold by ourselves. We are an integrated company of industry and trade, which can reduce the price difference between middlemen.Our service                                              1. Pre-sale service: 1) DingLi will provide production design, quotation sheet, working sites video, machinery photos. 2) Welcome to visit us at any time, we will pick you up.  2. Sale service: 1) Keep clients updated when our company gets advance payment.2) Confirm production details with clients.3) Take photos and send all pictures to customers during production.4) Inspection and testing the product before delivery; 5) Clients are welcome to inspect the equipment when the equipment are ready to delivery. 6) logistics service if needed.  3. After Sale service: 1) Provide foundation drawing to the clients for installation.2) Besides, our engineers are available to help with installation and workers training.3) Repairing and maintenance if any problem during the warranty. FAQ                                                                                  1.Q: Are you a manufacturer?    A: Yes, we are a professional rotary drilling rig  manufacturer.  2.Q: What does your company produce?   A: The main products of our company include rotary drilling rig.  3.Q: How about your delivery time?   A: Normally the delivery time is about 7-15 days. For some specialcase, we can make it within 2 weeks, it depends on different products.  4.Q: What methods of payment do you accept?   A: We accept T/T, L/C.  5.Q: Do you offer any deals or discounts?   A: Yes, price depends on different quantity, different quantity will give you different price.  /* March 10, 2023 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1