Shanxi Zhongde Dingli Group
Technical Questionnaire

Underground Application Questionnaire

Gas Expansion Rock Breaking System — 22 questions across 5 sections. This helps our engineers tailor the borehole layout, equipment package and quotation to your specific underground conditions.

⏰ Proposal within 2–3 business days ✉ Reviewed by our engineering team 🔒 Your data stays with us
A

Company & Contact

For our records and compliance checks.

Q01 Please enter your company name.
Q02
Q03
Q04 Please enter a contact person.
Q05 Please leave at least one contact channel (phone or email below).
Q05b
Q06 Please enter the project location.
B

Underground Application & Site Conditions

Where and how the system will work.

Q07 Application type (tick all that apply)
Q08 Tunnel / heading dimensions
Q09 Rock type (tick all that apply)
Q10

e.g. 80–150 MPa for granite. If unknown, describe how hard it feels to drill.

Q11 Is the working face wet or dry?
Q12 Available ventilation
Q13 Existing gas monitoring underground?
C

Production & Drilling

Output targets and what you drill with today.

Q14 Target production rate
Q15
Q16
Q17 Preferred borehole diameter
Q18 Are explosives currently used on site, and do you need a non-explosive alternative?
D

Project Plan & Timing

So we can match supply and support to your schedule.

Q19
Q20
Q21 Do you have an indicative budget range for this project?
E

Additional Requirements

Support and materials you may need.

Q22 Do you require on-site installation and operator training by our engineer?
Q23
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Fields marked * are required. Your answers are reviewed by our engineering team — tailored system proposal and quotation within 2–3 business days.

Questionnaire received

Thank you — our engineering team will review your responses and come back with a tailored system proposal and quotation within 2–3 business days.

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