Ha ho tluoa tabeng ea likopo tsa ho cheka, bohlokoa ba boleng le ho tšoarella bo ke ke ba feteletsoa. Mona ke moo li-drill tsa DTH (Down-The-Hole) li kenang teng, tse fanang ka ts'ebetso e tsoetseng pele bakeng sa liindasteri tse fapaneng. Har'a libapali tsa bohlokoa lebaleng lena ke Sunward, k'hamphani e sebetsanang haholo le ho etsa lisebelisoa tsa boleng bo holimo tsa DTH tse etselitsoeng ts'ebetso e nepahetseng, e tšoarellang le polokeho. Ha re hlahlobeng lethathamo le tsotehang la Sunward la li-drill tsa DTH 'me re utloisise hore na hobaneng e le khetho e ratoang ke litsebi.
Sunward e ipakile e le lebitso le tsebahalang indastering ea lisebelisoa tsa ho cheka, e shebane le ho hlahisa likarolo tsa 'nete tse fihlelang litekanyetso tsa indasteri. Boitlamo ba mofuta oa boleng bo netefatsa hore lihlahisoa tsohle tsa eona, ho kenyeletsoa le li-drill tsa DTH, li hahiloe ho mamella lits'ebetso tse boima ha li ntse li fana ka liphetho tse ts'oanang. Liteko tse matla le lits'ebetso tsa tlhahiso ho Sunward li tiisa hore karolo e 'ngoe le e 'ngoe ea ho cheka e fana ka boiphihlelo bo nepahetseng ba ho cheka, e qetellang e eketsa tlhahiso bakeng sa borakonteraka le basebetsi ka ho tšoana.
Har'a lihlahisoa tse hlahelletseng lethathamong la Sunward ke Wholesale SWDE200B, e ithorisang ka ts'ebetso e makatsang libakeng tse fapaneng tsa ho cheka. Ka moralo oa eona o matla le likarolo tse tsoetseng pele, karolo ena ea ho phunya ea DTH e loketse merero e hlokang litekanyetso tse phahameng tsa ho kenella le ho tšoarella ho ikhethang. Ebang ke merafo, ea kaho, kapa lipatlisiso tsa jeoloji, SWDE200B e khona ho sebetsana le maemo a thata habonolo, ho etsa hore e be khetho e tšepahalang bakeng sa litsebi.
Keketso e 'ngoe e khahlang lethathamong la Sunward ke Wholesale SWDE165Q, e etselitsoeng lisebelisoa tsa ho cheka tse mahareng ho isa ho tse kholo. Karolo ena ea ho cheka ea DTH e kopanya ts'ebetso le matla, e lumellang ts'ebetso e se nang moeli leha e le ka har'a mafika a thata. Basebedisi ba ka tšepa SWDE165Q ho fana ka liphetho tse nepahetseng ha ba ntse ba fokotsa ho senya le ho taboha, e leng se fetolelang ho fokotsa nako ea ho theoha le ho boloka litšenyehelo ka nako e telele.
Sunward e boetse e fana ka Wholesale SWDH102S, e tsebahalang ka ho ikamahanya le maemo le ho ikamahanya le maemo. Karolo ena ea ho cheka ea DTH e entsoe hore e sebetse hantle mefuteng e fapaneng ea mobu le mafika. Moralo oa eona o ikhethang o thusa ho cheka ka mokhoa o atlehileng ka ho sisinyeha ho fokolang, ho ntlafatsa boiketlo ba opareitara le bokhoni. Ka ho khetha SWDH102S, basebelisi ba ka rua molemo ka ho tšepahala le ho phela nako e telele, ho e etsa sesebelisoa sa bohlokoa bakeng sa basebetsi leha e le bafe ba ho cheka.
Mefuta ea Wholesale SWDB200B le SWDB200 ke lintlha-khōlō tse ling tse tsoang ho Sunward's DTH drill bits range. Li-bits ka bobeli li etselitsoe ho fana ka ts'ebetso e ntle haholo le bophelo bo bolelele, ho thusa basebelisi ho fihlela lipheo tsa bona tsa projeke habonolo. Ka likarolo tse ikhethang tse ntlafatsang lebelo le ts'ebetso ea ho cheka, likotoana tsena li etselitsoe ho fihlela litlhoko tsa lits'ebetso tsa sejoale-joale tsa ho cheka.
Qetellong, Wholesale SWDF200 e hlahella kahong ea eona e tšepahalang le ts'ebetso e phahameng. Karolo ena ea ho cheka ea DTH e nepahetse bakeng sa lits'ebetso tse fapaneng, e netefatsa hore basebelisi ba ka sebetsana le phephetso efe kapa efe eo ba kopanang le eona. Sunward's SWDF200 e etselitsoe ho fana ka liphetho tse nepahetseng maemong a boima, ho bonts'a boitlamo ba k'hamphani ho sebetsa hantle.
Qetellong, Sunward e ipakile e le moetapele 'marakeng oa li-drill tsa DTH. Ka ho fana ka mefuta e fapaneng ea lihlahisoa, ho kenyelletsa SWDE200B, SWDE165Q, SWDH102S, SWDB200B, SWDB200, le SWDF200, k'hamphani e hlokomela litlhoko tsa liindasteri tse fapaneng. Ho tsetela ho li-drill tsa DTH tse tsoang Sunward ho bolela ho khetha boleng, ho tšoarella, le ts'ebetso, ho netefatsa hore ts'ebetso ea hau ea ho cheka e sebetsa hantle ebile e sebetsa. Ka boitlamo bo matla ba boqapi le bokhabane, Sunward e tsoela pele ho fana ka litharollo tse ikhethang tsa ho cheka bakeng sa borakonteraka le basebetsi lefatšeng ka bophara.
