Inombono omuhle nothuthukako malungana nesifiso samakhasimende, ikoporasi yethu ihlala ithuthukisa ikhwalithi yepahla yethu ukwanelisa iinkanuko zabathengi begodu iragela phambili nokudzimelela ekuphepheni, ukuthembeka, iimfuno zebhoduluko, kanye nokusungulwa kwebhizinisi le-China Wholesale China Mudanjiang Fengda H2c2o4 99.6 Industrial Grade Dixadine Price Dixalinic Acudioic, Ocourcine ibhizinisi ibhizinisi eliphephileko nelizwakalako elihlanganiswe liqiniso nokuthembeka ukusiza ukugcina ukusebenzisana kwesikhathi eside nabathengi bethu.
Okunombono omuhle nothuthukako malungana nesifiso samakhasimende, ikoporasi yethu ihlala ithuthukisa ikhwalithi yepahla yethu ukwanelisa iinkanuko zabathengi begodu iragela phambili nokutjheja ukuphepha, ukuthembeka, iimfuno zebhoduluko, nokusungulwa kwezinto ezitjha, Ngaphezu kwalokho, zoke iinsombululo zethu zenziwa ngemitjhini ethuthukileko begodu zilandela ikhwalithi eqinileko ye-QC ukuqinisekisa ikhwalithi ephezulu. Nangabe unekareko kizo zoke iimpahla zethu, yenza isiqiniseko sokuthi awuzazi ukusithinta. Sizokwenza koke okusemandleni wethu ukuhlangabezana neendingo zakho.

Imibuzo ebuzwa kanengi

Ufuna isizo? Qiniseka bona uvakatjhela iinkundla zethu zokusekela ukuthola iimpendulo zemibuzo yakho!

Singaphrinta ilogo yethu emkhiqizweni?

Kuliqiniso, singakwenza. Sithumelele umklamo welogo yakho.

Ingabe uyawamukela ama-oda amancani?

Iye. Nangabe ungumthengisi omncani nofana othoma ibhizinisi, nakanjani sizimisele ukukhula nawe. Begodu silindele ukusebenzisana nawe malungana nobudlelwano besikhathi eside.

Kuthiwani ngentengo? Ungayenza bona itjhiphe?

Sihlala sithatha inzuzo yamakhasimende njengento eqakatheke khulu. Intengo ingakhulumisana ngaphasi kwemibandela ehlukileko, sikuqinisekisa bona uzokufumana intengo encintisana khulu.

Ingabe unikela ngamasampula wamahhala?

Kuyathokozwa ngokuthi ungasitlolela ukuphawula okuhle nangabe uthanda imikhiqizo yethu nesevisi, sizokunikela amasampula wamahhala nge-oda lakho elilandelako.

Ingabe uyakghona ukuletha ngesikhathi?

Kuliqiniso! besisebenza ngokukhethekileko emkhakheni lo iminyaka eminengi, amakhasimende amanengi enza isivumelwano nami ngombana singaletha ipahla ngesikhathi begodu sigcine ipahla isezingeni eliphezulu!

Ngingavakatjhela ikhamphani yakho nefemu e-China?

Mbala. Wamukelekile ukuvakatjhela ikhamphani yethu e-Zibo, e-China. (1.5H ukusuka e-Jinan)

Ngingafaka njani i-oda?

Ungasithumelela umbuzo kibo boke abathengisi bethu ukuthola ilwazi elinabileko le-oda, begodu sizokuhlathulula ikambiso yemininingwana. Indlela yokuHlanganisa i-Oxalic acid Carbon Monoxide
I-Oxalic acid Indlela yokuhlanganisa isigaba samanzi
Indlela le ekuthomeni yasebenzisa i-PdCl₂–CuCl₂–CuCl njenge-catalyst ukwenza i-liquid-phase catalytic coupling reaction ye-carbon monoxide, oksijini, ne-ethanol ku-12 MPa kanye ne-115 °C ukwenza i-diethyl oxalate. yamukela i-Pd/C njengesikhuthazi ukwenza ukusabela kokuhlanganisa kwe-ethanol (nofana i-butanol) ne-carbon monoxide ne-oksijini phambi kwe-alkyl nitrite ukukhiqiza i-diethyl oxalate (nofana i-dibutyl oxalate). Iimlinganiso zokuphendula ezihambelanako:
4CO+4C 2H 5 OH+O 2=2(COOC 2H 5 ) 2+2H 2O
4CO+4C 4H 9 OH+O 2=2(COOC 4 H 9) 2+2H 2O