QL Series High Air Pressure DTH Hammer bụ ọrụ dị arọ na-arụ ọrụ dị arọ nke e mere maka ịkpụcha ihe na-arụ ọrụ nke ọma na mgbawa, mkpọpu ala, mmiri mmiri, na ngwa injinịa ntọala ụlọ.
Dị ka otu n'ime usoro DTH hammer kachasị eji eme ihe na ahịa mkpọpu ala zuru ụwa ọnụ, usoro QL na-enye ngwakọta ziri ezi nke ike dị elu, arụmọrụ kwụsiri ike, na ndakọrịta dị ukwuu. E mere ya iji rụọ ọrụ n'okpuru ọnọdụ ikuku dị elu na nke dị elu, na-eme ka ọ dị mma maka ma ọkọlọtọ ma na-achọsi ike na-egwu ala.
Usoro QL gụnyere ọtụtụ ụdị dịka QL40, QL50, QL60, QL80, QL40A, QL50A, QL680, na QL880, na-ekpuchi ọtụtụ oghere site na 110 mm ruo 254 mm. A na-arụpụta ihe nlereanya ọ bụla na ọwa ikuku ikuku dị mma iji hụ na nnyefe ike dị mma, belata ikuku ikuku, na ọnụego ntinye dị mma.
Ejiri ígwè alloy dị elu na-arụ ọrụ ọkụ, usoro QL na-enye ezigbo nguzogide akwa na ogologo ndụ ọrụ ọbụna n'okpuru ọrụ mkpọpu ọrụ siri ike. Usoro pistin dị n'ime ya na-eme ka ugboro ole a na-akụ na-adịgide adịgide ma na-arụ ọrụ na-agbanwe agbanwe na nkume dị iche iche.
Dabere na nhazi ihe nlereanya na ọnọdụ ọrụ, usoro QL dakọtara na API 2 3/8 ", API 3 1/2", na API 4 1/2 "usoro ogwe igwe, na-eme ka ọ dị mma maka ngwa igwe na ngwa dị iche iche.
A maara usoro a nke ọma dị ka ihe ngwọta dị ọnụ ala ma bụrụ nke a pụrụ ịdabere na ya maka ndị ọrụ ngo chọrọ arụmọrụ kwụsiri ike na nlekọta dị mfe na ọrụ mkpọpu ala dị n'etiti na nnukwu.
Iji sonye: gwa gị akwụkwọ ịkọwa → gbasara gị ihe ọzọ nke ọrụ teknụk na akwụkwọ ịkpọta → kwenye oru → ịmejuputa na itinye ụzọ → ịgụ ụzọ ọtụtụ afọ → ịkpọta ọtụtụ afọ na ihe ọzọ nke teknụk. A na-agba gị ụzọ ọtụtụ afọ ma na-akwado gị n'otu ọrụ niile.
Anaghị ịmụtă otu nke ndị DTH hammer series bụ eziokwu maka ihe ị na-eme? Kọtụrụ anya kwa oge diameter nke ụzọ ị chọrọ ma ọbụrụ na okpuru ya, ndị engineer gị ga-ekpebi otu nke hammer series na model nke dị mma karịsịa maka rig na formation gị.

Ndepụta nke akụkụ QL40A |
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| Onyeikpe. | Nkpakọ | Ibu | Nọmba Nkọwa |
| 1 | Nkọwa Nke Abalị | 8.1 Kg | 01-QL40A-01 |
| 2 | "O" Rịng | 0.01 Kg | 01-QL40A-02 |
| 3 | Valve Nkọwa | 0.3 Kg | 01-QL40A-03 |
| 4 | Igwe | 0.04 Kg | 01-QL40A-04 |
| 5 | Ụzọ Ọkụlụ | 1.5 Kg | 01-ND45A-05 |
| 6 | Ụlọ Ọkụlụ Nkeji | 2.1 Kg | 01-QL40A-06 |
| 7 | PISTON | 8.4 Kg | 01-QL40A-07 |
| 8 | Ụlọ Ọkụlụ Nkeji | 16.4 Kg | 01-QL40A-08 |
| 9 | Ụlọ Ọkụlụ Nkeji | 2.3 Kg | 01-QL40A-09 |
| 10 | Ritene Rịng | 0.27 Kg | 01-QL40A-10 |
| 11 | "O" Rịng | 0.01 Kg | 01-QL40A-11 |
| 12 | Onye nke na-achọpụta ọkụ | 3.3 Kg | 01-QL40A-12 |
| 13 | Dril Bit | — | 01-QL40A-13 |
Mpaghara Ọgbụọgi |
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| Ihe | Oke | ||
| Ọnụọgụ (Nke Nwere Bit) | 1057 mm | ||
| Ibu | 42.7 Kg | ||
| Ihe ọdịnaya nke outside | 99 mm | ||
| Ọkụlụ Nke Echere | API 2 3/8" REG | ||
| Ụzọ Nke Bit | QL40A | ||
| Ọkụkụ nke ụgbọala | 110–135 mm | ||
| Ọkụlụ Nke Ihe Nkọwa | 1.0–2.2 MPa | ||
| Ọsọ Ntugharị A Na-atụ aro Ya | 30–60 r/miniṭ | ||
| Ihe ịga n’ihu (1.0 MPa) | 5 m3/min | ||
| Ihe ịrị nke ụzọ (1.8 MPa) | 9 m³/min |

Lisitị ihe ndị QL50A |
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| Onyeikpe. | Nkpakọ | Ibu | Nọmba Nkọwa |
| 1 | Nkọwa Nke Abalị | 14 Kg | 01-QL50A-01 |
| 2 | "O" Rịng | 0.01 Kg | 01-QL50A-02 |
| 3 | Valve Nkọwa | 0.6 Kg | 01-QL50A-03 |
| 4 | Igwe | 0.06 Kg | 01-QL50A-04 |
| 5 | Ụzọ Ọkụlụ | 2.15 Kg | 01-QL50A-05 |
| 6 | Ụlọ Ọkụlụ Nkeji | 3.3 Kg | 01-QL50A-06 |
| 7 | PISTON | 15.5 Kg | 01-QL50A-07 |
| 8 | Ụlọ Ọkụlụ Nkeji | 24.2 Kg | 01-QL50A-08 |
| 9 | Ụlọ Ọkụlụ Nkeji | 2.75 Kg | 01-QL50A-09 |
| 10 | Ritene Rịng | 0.45 Kg | 01-QL50A-10 |
| 11 | "O" Rịng | 0.01 Kg | 01-QL50A-11 |
| 12 | Draiv Chak | 5.4 Kg | 01-QL50A-12 |
| 13 | Dril Bit | — | 01-QL50A-13 |
Mpaghara Ọgbụọgi |
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| Ihe | Oke | ||
| Ọnụọgụ (Nke Nwere Bit) | 1102 mm | ||
| Ibu | 68.5 Kg | ||
| Diyametro ng Panlabas | 126 mm | ||
| Ọkụlụ Nke Echere | API 2 3/8" REG | ||
| Ụzọ Nke Bit | QL50A | ||
| Ọkụkụ nke ụgbọala | 136–155 mm | ||
| Ọkụlụ Nke Ihe Nkọwa | 1.0–2.5 MPa | ||
| Ọsọ Ntugharị A Na-atụ aro Ya | 30–60 r/miniṭ | ||
| Ihe ịga n’ihu (1.0 MPa) | 7 m³/min | ||
| Ihe ịrị nke ụzọ (1.8 MPa) | 13 m³/min |

Nkọwa Nke Ọrụ QL680 |
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| Onyeikpe. | Nkpakọ | Ibu | Nọmba Nkọwa |
| 1 | Nkọwa Nke Abalị | 21.5 Kg | 01-QL680-01 |
| 2 | "O" Rịng | 0.01 Kg | 01-QL680-02 |
| 3 | Igwe Nkọwa | 0.34 Kg | 01-QL680-03 |
| 4 | Valve Nkọwa | 0.56 Kg | 01-QL680-04 |
| 5 | Igwe | 0.05 Kg | 01-QL680-05 |
| 6 | Ụzọ Ọkụlụ | 4.3 Kg | 01-QL680-06 |
| 7 | Ụlọ Ọkụlụ Nkeji | 4.2 Kg | 01-QL680-07 |
| 8 | PISTON | 23 Kg | 01-QL680-08 |
| 9 | Ụlọ Ọkụlụ Nkeji | 34.3 Kg | 01-QL680-09 |
| 10 | Ụlọ Ọkụlụ Nkeji | 5.4 Kg | 01-QL680-10 |
| 11 | Chek Rịng | 0.02 Kg | 01-QL680-11 |
| 12 | Ritene Rịng | 0.92 Kg | 01-QL680-12 |
| 13 | "O" Rịng | 0.01 Kg | 01-QL680-13 |
| 14 | Draiv Chak | 7.5 Kg | 01-QL680-14 |
| 15 | Dril Bit | — | 01-QL680-15 |
Mpaghara Ọgbụọgi |
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| Ihe | Oke | ||
| Ọnụọgụ (Nke Nwere Bit) | 1155 mm | ||
| Ibu | 102 Kg | ||
| Diyametro ng Panlabas | 148 mm | ||
| Ọkụlụ Nke Echere | API 3 1/2" REG | ||
| Ụzọ Nke Bit | QL60A | ||
| Ọkụkụ nke ụgbọala | 158–203 mm | ||
| Ọkụlụ Nke Ihe Nkọwa | 1.2–2.7 MPa | ||
| Ọsọ Ntugharị A Na-atụ aro Ya | 30–60 r/miniṭ | ||
| Ihe ịrị nke ụzọ (1.8 MPa) | 16 m3/min | ||
| Ihe ịga n’ihu (2.4 MPa) | 23 m3/min |

Lisitị ọrụ QL880 |
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| Onyeikpe. | Nkpakọ | Ibu | Nọmba Nkọwa |
| 1 | Nkọwa Nke Abalị | 38.5 Kg | 01-QL880-01 |
| 2 | "O" Rịng | 0.02 Kg | 01-QL880-02 |
| 3 | Valve Nkọwa | 0.65 Kg | 01-QL880-03 |
| 4 | Igwe | 0.1 Kg | 01-QL880-04 |
| 5 | Ụzọ Ọkụlụ | 6.2 Kg | 01-QL880-05 |
| 6 | Ụlọ Ọkụlụ Nkeji | 7.4 Kg | 01-QL880-06 |
| 7 | PISTON | 44.5 Kg | 01-QL880-07 |
| 8 | Ụlọ Ọkụlụ Nkeji | 64.5 Kg | 01-QL880-08 |
| 9 | Ụlọ Ọkụlụ Nkeji | 10.5 Kg | 01-QL880-09 |
| 10 | Ritene Rịng | 1.2 Kg | 01-QL880-10 |
| 11 | "O" Rịng | 0.01 Kg | 01-QL880-11 |
| 12 | Draiv Chak | 14.5 kg | 01-QL880-12 |
| 13 | Dril Bit | — | 01-QL880-13 |
Mpaghara Ọgbụọgi |
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| Ihe | Oke | ||
| Ọnụọgụ (Nke Nwere Bit) | 1335 mm | ||
| Ibu | 188 Kg | ||
| Diyametro ng Panlabas | 185 mm | ||
| Ọkụlụ Nke Echere | API 4 1/2" REG | ||
| Ụzọ Nke Bit | QL80A | ||
| Ọkụkụ nke ụgbọala | 198–254 mm | ||
| Ọkụlụ Nke Ihe Nkọwa | 1.5–3.3 MPa | ||
| Ọsọ Ntugharị A Na-atụ aro Ya | 30–60 r/miniṭ | ||
| Ihe ịga n’ihu (2.4 MPa) | 25 m³/min | ||
| Ihe ịrị ya n’elu (—) | 34 m³/min |

Nkọwa QL40 |
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| Onyeikpe. | Nkpakọ | Ibu | Nọmba Nkọwa |
| 1 | Nkọwa Nke Abalị | 8.8 Kg | 01-QL40-01 |
| 2 | "O" Rịng | 0.01 Kg | 01-QL40-02 |
| 3 | Valve Nkọwa | 0.46 Kg | 01-QL40-03 |
| 4 | Igwe | 0.04 Kg | 01-QL40-04 |
| 5 | Rubber Buffer | 0.2 Kg | 01-QL40-05 |
| 6 | Ụzọ Ọkụlụ | 2.1 Kg | 01-QL40-06 |
| 7 | Ụlọ Ọkụlụ Nkeji | 2.45 Kg | 01-QL40-07 |
| 8 | PISTON | 8.8 Kg | 01-QL40-08 |
| 9 | Ụlọ Ọkụlụ Nkeji | 16.5 kg | 01-QL40-09 |
| 10 | Ụlọ Ọkụlụ Nkeji | 0.9 Kg | 01-QL40-10 |
| 11 | Ritene Rịng | 0.2 Kg | 01-QL40-11 |
| 12 | "O" Rịng | 0.01 Kg | 01-QL40-12 |
| 13 | Draiv Chak | 3.3 Kg | 01-QL40-13 |
| 14 | Dril Bit | — | 01-QL40-14 |
Mpaghara Ọgbụọgi |
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| Ihe | Oke | ||
| Ọnụọgụ (Nke Nwere Bit) | 1102 mm | ||
| Ibu | 43.7 Kg | ||
| Ihe ọdịnaya nke outside | 99 mm | ||
| Ọkụlụ Nke Echere | API 2 3/8" REG | ||
| Ụzọ Nke Bit | QL40 | ||
| Ọkụkụ nke ụgbọala | 110–135 mm | ||
| Ọkụlụ Nke Ihe Nkọwa | 1.0–2.2 MPa | ||
| Ọsọ Ntugharị A Na-atụ aro Ya | 30–60 r/miniṭ | ||
| Ihe ịga n’ihu (1.0 MPa) | 5.5 m³/min | ||
| Ihe ịrị nke ụzọ (1.8 MPa) | 10 m³/min |

Lisitị Ọkwa QL50 |
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| Onyeikpe. | Nkpakọ | Ibu | Nọmba Nkọwa |
| 1 | Nkọwa Nke Abalị | 14.7 Kg | 01-QL50-01 |
| 2 | "O" Rịng | 0.02 Kg | 01-QL50-02 |
| 3 | Valve Nkọwa | 1 Kg | 01-QL50-03 |
| 4 | Igwe | 0.06 Kg | 01-QL50-04 |
| 5 | Rubber Buffer | 0.2 Kg | 01-QL50-05 |
| 6 | Ụzọ Ọkụlụ | 4.1 Kg | 01-QL50-06 |
| 7 | Ụlọ Ọkụlụ Nkeji | 4.4 Kg | 01-QL50-07 |
| 8 | PISTON | 17 Kg | 01-QL50-08 |
| 9 | Ụlọ Ọkụlụ Nkeji | 24.7 Kg | 01-QL50-09 |
| 10 | Ụlọ Ọkụlụ Nkeji | 1 Kg | 01-QL50-10 |
| 11 | Ritene Rịng | 0.6 Kg | 01-QL50-11 |
| 12 | "O" Rịng | 0.01 Kg | 01-QL50-12 |
| 13 | Draiv Chak | 5.6 Kg | 01-QL50-13 |
| 14 | Dril Bit | — | 01-QL50-14 |
Mpaghara Ọgbụọgi |
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| Ihe | Oke | ||
| Ọnụọgụ (Nke Nwere Bit) | 1154 mm | ||
| Ibu | 73.5 Kg | ||
| Ihe ọdịnaya nke outside | 126 mm | ||
| Ọkụlụ Nke Echere | API 2 3/8" REG | ||
| Ụzọ Nke Bit | QL50 | ||
| Ọkụkụ nke ụgbọala | 135–155 mm | ||
| Ọkụlụ Nke Ihe Nkọwa | 1.0–2.5 MPa | ||
| Ọsọ Ntugharị A Na-atụ aro Ya | 30–60 r/miniṭ | ||
| Ihe ịga n’ihu (1.0 MPa) | 9 m³/min | ||
| Ihe ịrị nke ụzọ (1.8 MPa) | 15 m³/min |

Nkọwa Nke QL60 |
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| Onyeikpe. | Nkpakọ | Ibu | Nọmba Nkọwa |
| 1 | Nkọwa Nke Abalị | 23 Kg | 01-QL60-01 |
| 2 | "O" Rịng | 0.02 Kg | 01-QL60-02 |
| 3 | Valve Nkọwa | 0.08 Kg | 01-QL60-03 |
| 4 | Igwe | 0.05 Kg | 01-QL60-04 |
| 5 | Rubber Buffer | 0.3 Kg | 01-QL60-05 |
| 6 | Ụzọ Ọkụlụ | 6.2 Kg | 01-QL60-06 |
| 7 | Ụlọ Ọkụlụ Nkeji | 5 kg | 01-QL60-07 |
| 8 | PISTON | 23.5 Kg | 01-QL60-08 |
| 9 | Ụlọ Ọkụlụ Nkeji | 39 Kg | 01-QL60-09 |
| 10 | Ụlọ Ọkụlụ Nkeji | 1.1 Kg | 01-QL60-10 |
| 11 | Ritene Rịng | 0.6 Kg | 01-QL60-11 |
| 12 | "O" Rịng | 0.02 Kg | 01-QL60-12 |
| 13 | Drive Chuckk | 6.3 Kg | 01-QL60-13 |
| 14 | Dril Bit | — | 01-QL60-14 |
Mpaghara Ọgbụọgi |
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| Ihe | Oke | ||
| Ọnụọgụ (Nke Nwere Bit) | 1211 mm | ||
| Ibu | 105 Kg | ||
| Ihe ọdịnaya nke outside | 148 mm | ||
| Ọkụlụ Nke Echere | API 3 1/2" REG | ||
| Ụzọ Nke Bit | QL60 | ||
| Ọkụkụ nke ụgbọala | 158–190 mm | ||
| Ọkụlụ Nke Ihe Nkọwa | 1.0–2.5 MPa | ||
| Ọsọ Ntugharị A Na-atụ aro Ya | 30–60 r/miniṭ | ||
| Ihe ịga n’ihu (1.0 MPa) | 20 m³/min | ||
| Ihe ịrị nke ụzọ (1.8 MPa) | 28 m³/min |

Lisitị Ọrụ QL80 |
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| Onyeikpe. | Nkpakọ | Ibu | Nọmba Nkọwa |
| 1 | Nkọwa Nke Abalị | 42 Kg | 01-QL80-01 |
| 2 | Ihe Nkọwa Nke Ihe Nkọwa | 0.2 Kg | 01-QL80-02 |
| 3 | "O" Rịng | 0.02 Kg | 01-QL80-03 |
| 4 | Valve Nkọwa | 1.3 kg | 01-QL80-04 |
| 5 | Igwe | 0.1 Kg | 01-QL80-05 |
| 6 | Rubber Buffer | 0.4 Kg | 01-QL80-06 |
| 7 | Ụzọ Ọkụlụ | 12.7 Kg | 01-QL80-07 |
| 8 | Ụlọ Ọkụlụ Nkeji | 9.1 Kg | 01-QL80-08 |
| 9 | PISTON | 41 Kg | 01-QL80-09 |
| 10 | Ụlọ Ọkụlụ Nkeji | 64 Kg | 01-QL80-10 |
| 11 | Ụlọ Ọkụlụ Nkeji | 2.9 Kg | 01-QL80-11 |
| 12 | Ritene Rịng | 1.2 Kg | 01-QL80-12 |
| 13 | "O" Rịng | 0.02 Kg | 01-QL80-13 |
| 14 | Ihe Nkọwa Nke Ihe Nkọwa | 0.2 Kg | 01-QL80-14 |
| 15 | Drive Chuckk | 12 Kg | 01-QL80-15 |
| 16 | Dril Bit | — | 01-QL80-16 |
Mpaghara Ọgbụọgi |
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| Ihe | Oke | ||
| Ọnụọgụ (Nke Nwere Bit) | 1471 mm | ||
| Ibu | 187 Kg | ||
| Ihe ọdịnaya nke outside | 180 mm | ||
| Ọkụlụ Nke Echere | API 4 1/2" REG | ||
| Ụzọ Nke Bit | QL80 | ||
| Ọkụkụ nke ụgbọala | 195–254 mm | ||
| Ọkụlụ Nke Ihe Nkọwa | 1.5–3.3 MPa | ||
| Ọsọ Ntugharị A Na-atụ aro Ya | 30–60 r/miniṭ | ||
| Ihe ịrị nke ụzọ (1.8 MPa) | 26 m³/min | ||
| Ihe ịga n’ihu (2.4 MPa) | 34 m³/min |
1. Ihe Nchọpụta Ọkụ na Ịgbakwunye N’okpuru Ọkụ
QL Series bụ ihe a ma ama maka ịgbakwunye n’okpuru ọkụ n’ime ịgba ọkụ nke nchọpụta ọkụ. O nyere ike ịgbakwunye dị iche iche na ike ịgbakwunye dị elu n’ime ọkụ dị ọcha.
2. Iwu Nkọwa Nke Ọkụrụ Nke Mmiri
Dị mkpa maka ihe nchọpụta ụzọ mmiri nke ukwu na nke elu nke nchọpụta nke ọrụ nchọpụta mmiri, nke ọrụ nchọpụta mmiri nke obodo, na nke ọrụ nchọpụta mmiri nke ọrụ ahịa. O gosi ike ịgbakwunye dị iche iche n’ime ọkụ dị iche iche.
3. Ọrụ nke ọkụ
Dị mkpa maka ọkụ granite, basalt, limestone, na ọkụ dị ọcha ọzọ nke nchọpụta ọkụ. QL series nyere ike ịgbakwunye dị elu na ịkwụ ọtụtụ nke ọrụ.
4. Injinịa Ihe E Ji Wuru Ụlọ
E ji ya eme ihe n'ịgbazi mkpọda, ịkpụ arịlịka, ịtọ ntọala àkwà mmiri, na ịrụ ọrụ ndị e ji arụ ọrụ. Ọ na-arụ ọrụ nke ọma n'ebe ndị dị mgbagwoju anya na ebe ndị dịgasị iche iche.
5. Ngwaọrụ ịzụta ọkụ nke geothermal
Kwesịrị ekwesị maka ọrụ ike geothermal nke chọrọ arụmọrụ siri ike na nke na-aga n'ihu na-egwu ala n'oké nkume dị elu.
Ụdị ihe nlereanya dịgasị iche iche na-ekpuchi ọtụtụ ngwa mkpọpu ala
Ike dị elu maka imebi nkume nke ọma
Ọrụ siri ike n'ime nkume ndị dị n'etiti na nkume siri ike
Usoro nkesa ikuku e mere ka ọ dị mma na-ebelata ikuku a na-eji eme ihe
Kwekọrọ n'ụkpụrụ ọtụtụ mba na-ahụ maka ịkpụcha ihe
Igwe anaghị agba nchara e ji agba nchara e ji agba nchara
Ejiri ya mee ihe maka ọrụ igwu ala na nke igwupụta akụ̀
Nkọwa ihe ọjọọ dị mfe na ịdụle nke ọrụ na ala
Ihe ọjọọ dị mfe maka ọnụahịa ndị ọbara
Akwụkwọ 1: Kedu ihe QL Series DTH Hammer na-eme?
QL Series a na-akwado maka ngwaọrụ nke ịgbaghara ụzọ ọkụ, ịgbaghara ụzọ mmiri, ịgbaghara ụzọ ọkụ na ngwaọrụ nke ịgba ụlọ. Ọ dị mfe maka ngwaọrụ nke ụzọ dị ukwu na ụzọ dị nta n'ime ụzọ ọkụ niile.
Akwụkwọ 2: Kedu ihe dị iche n'etiti QL40, QL50, QL60, na QL80?
Ihe dị iche nke mbụ bụ ụzọ dị nta, ịkpọ ụzọ mmiri, na ike nke ịkpọ. Ngwaọrụ nke ọzọ dị nta, dị ka QL40, na-enye ụzọ dị nta, mana QL80 na-enye ụzọ dị ukwu na ụzọ dị nta.
Akwụkwọ 3: Ọzọ QL Series nwere ike inwe ọrụ nke Atlas Copco ma ọ bụ Sandvik hammers?
Ee, QL Series a na-akwado dị ka isi nke ọrụ nke ọzọ maka ngwaọrụ DTH hammer nke ọzọ nke e nwere na ọnụahịa ndị ọbara dịka Atlas Copco, Sandvik, na Epiroc, dịka ụzọ na ngwaọrụ.
Akwụkwọ 4: Ị na-eme ihe ọjọọ OEM ma ọ bụ ihe ọjọọ nke onye ọ bụla?
Ee, anyị na-eme ihe nke OEM niile, dị ka ịgbakwunye akara, ịkọwa akara nke ngwaahịa, ihe ndị dị iche iche nke agbara, ịgbakwunye ihe nke ịkpakọ ngwaahịa, na ịkpakọ ngwaahịa site na ihe ndị customer na-achọ.
Akwụkwọ Q5: Kedu otu esi ekpughe ngwaahịa a na kedu oge nke ịkpọtụrụ?
Ngwaahịa ndị dị na standard emepụtara n’ime 7–20 ụbọchị, dịka akụkụ nke oru. Anyị na-eji ihe nke na-ekpughe na mbara maka ịkpọtụrụ nke ọkụ na-ekpughe. Ihe nke na-ekpughe na akụkụ na-ekpughe na-eme ka ọrụ ndị dị n’ụzọ ọ bụla.
Nke a na-eme ka ọ dị na Quzhou Mazellion Heavy Industry Technology Co., Ltd. Niile ihe ndị dị n'okwu a na-eme ka ọ dị — Amụma nzuzo