Exporting Multiple Product Orders

Hey there,
i build an e commerce web page with wordpress. my products comes from another website with XML. and i wanna send Order Data to that website. but im having a problem.

This is My Custom XML

<?xml version="1.0" encoding="UTF-8"?>
<SIPARISLER>
	<!-- BEGIN LOOP -->
	<SIPARIS>
		<SIPARIS_NO>{Order ID}</SIPARIS_NO>
		<PAZARYERI_KARGOKODU>{Shipping Method}</PAZARYERI_KARGOKODU>
		<CariHesapKodu>{Order Key}</CariHesapKodu>
		<CariHesapOzelKodu>{Order Key}</CariHesapOzelKodu>
		<POSTA>{Customer Account Email Address}</POSTA>
		<TARIH>2019-12-29</TARIH>
		<sipariszaman>12:00:00</sipariszaman>
		<ISKONTO>{Discount Amount (per coupon)}</ISKONTO>
		<NET_TOPLAM>{Order Total}</NET_TOPLAM>
		<TeslimAlici>{Shipping First Name}</TeslimAlici>
		<TeslimAdresi>{Shipping Address 1}</TeslimAdresi>
		<TeslimTelefon>{Billing Phone}</TeslimTelefon>
		<teslimsekli>{Shipping Method}</teslimsekli>
		<tasiyicifirma>{Shipping Method}</tasiyicifirma>
		<teslimkod1>{kargo_firmasi}</teslimkod1>
		<teslimkod4>{Shipping Postcode}</teslimkod4>
		<teslimil>{Shipping City}</teslimil>
		<teslimilce>{Shipping State}</teslimilce>
		<faturaalici>{Billing First Name}</faturaalici>
		<faturaAdresi>{Billing Address 1}</faturaAdresi>
		<faturaTelefon>{Billing Phone}</faturaTelefon>
		<faturavergino>{Billing Postcode}</faturavergino>
		<faturavergidairesi>{Note Date}</faturavergidairesi>
		<faturail>{Billing City}</faturail>
		<faturailce>{Billing State}</faturailce>
		<kargokodu>{kargo_takip_no}</kargokodu>
		<ODEME_SEKLI>{Payment Method}</ODEME_SEKLI>
		<kargo_odemesi>{Shipping Cost}</kargo_odemesi>
		<SATIRLAR>
			<SATIR>
				<KOD>{SKU}</KOD>
				<MIKTAR>{Quantity}</MIKTAR>
				<BIRIM>{SKU}</BIRIM>
				<FIYAT>{Order Total}</FIYAT>
				<KDV>{Item Tax Total}</KDV>
			</SATIR>
		</SATIRLAR>
	</SIPARIS>
	<!-- END LOOP -->
</SIPARISLER>

in this case orders will export like this:

<SIPARISLER>
<SIPARIS>
<SIPARIS_NO>4796</SIPARIS_NO>
<PAZARYERI_KARGOKODU>ücretsiz G?nderim</PAZARYERI_KARGOKODU>
<CariHesapKodu>wc_order_aYihENwG3x4N1</CariHesapKodu>
<CariHesapOzelKodu>wc_order_aYihENwG3x4N1</CariHesapOzelKodu>
<POSTA>[email protected]</POSTA>
<TARIH>2019-12-29</TARIH>
<sipariszaman>12:00:00</sipariszaman>
<ISKONTO/>
<NET_TOPLAM>629.50</NET_TOPLAM>
<TeslimAlici>mustafa</TeslimAlici>
<TeslimAdresi>fatih mh. velio?lu cd. no:62/a</TeslimAdresi>
<TeslimTelefon>2126516324</TeslimTelefon>
<teslimsekli>ücretsiz G?nderim</teslimsekli>
<tasiyicifirma>ücretsiz G?nderim</tasiyicifirma>
<teslimkod1/>
<teslimkod4>34000</teslimkod4>
<teslimil>ba?c?lar</teslimil>
<teslimilce>TR34</teslimilce>
<faturaalici>mustafa</faturaalici>
<faturaAdresi>fatih mh. velio?lu cd. no:62/a</faturaAdresi>
<faturaTelefon>2126516324</faturaTelefon>
<faturavergino>34000</faturavergino>
<faturavergidairesi>2019-02-03 02:36:58</faturavergidairesi>
<faturavergidairesi>2019-02-03 02:36:56</faturavergidairesi>
<faturail>ba?c?lar</faturail>
<faturailce>TR34</faturailce>
<kargokodu/>
<ODEME_SEKLI>payu_turkey_lu</ODEME_SEKLI>
<kargo_odemesi>0.00</kargo_odemesi>
<SATIRLAR>
<SATIR>
<KOD>KMP35</KOD> // PRODUCT CODE
<KOD>KMP036</KOD> // ANOTHER PRODUCT CODE
<KOD>KMP037</KOD> // ANOTHER PRODUCT CODE
<MIKTAR>3</MIKTAR>
<MIKTAR>1</MIKTAR>
<MIKTAR>1</MIKTAR>
<BIRIM>KMP35</BIRIM>
<BIRIM>KMP036</BIRIM>
<BIRIM>KMP037</BIRIM>
<FIYAT>629.50</FIYAT>
<KDV>0</KDV>
<KDV>0</KDV>
<KDV>0</KDV>
</SATIR>
</SATIRLAR>
</SIPARIS>
</SIPARISLER>

That must be like this:

<SIPARISLER>
<SIPARIS>
<SIPARIS_NO>YT3949031</SIPARIS_NO>
<PAZARYERI_KARGOKODU/>
<CariHesapKodu>YT2099</CariHesapKodu>
<CariHesapOzelKodu>YT</CariHesapOzelKodu>
<POSTA>[email protected]</POSTA>
<TARIH>2016-06-28</TARIH>
<sipariszaman>08:56:58</sipariszaman>
<ISKONTO>0</ISKONTO>
<NET_TOPLAM>62.33</NET_TOPLAM>
<TeslimAlici>Ayyd?n</TeslimAlici>
<TeslimAdresi>Arvat Atayolu Cad. ?zta?rnLogipark a - anbul</TeslimAdresi>
<TeslimTelefon>0506-0624914</TeslimTelefon>
<teslimsekli>KR</teslimsekli>
<tasiyicifirma>MNG</tasiyicifirma>
<teslimkod1/>
<teslimkod4/>
<teslimil>?stanbul</teslimil>
<teslimilce>Tuzla</teslimilce>
<faturaalici/>
<faturaAdresi>
?ncir Elektrizm. A.?. rnYahya Kemal Mah. ?air Plaza Ka??thane ul
</faturaAdresi>
<faturaTelefon>05014</faturaTelefon>
<faturavergino>478034</faturavergino>
<faturavergidairesi>Zincirlikuyu</faturavergidairesi>
<faturail>?stanbul</faturail>
<faturailce>Ka??thane</faturailce>
<kargokodu>YT986031</kargokodu>
<ODEME_SEKLI>Havale/ EFT</ODEME_SEKLI>
<kargo_odemesi>Al?c? ?der</kargo_odemesi>
// KARGO ?DEME B?LG?S?
<SATIRLAR>
<SATIR> 
<KOD>U66YT0554P</KOD> // PRODUCT
<VARKOD>VARYAN-KODU-GELECEK</VARKOD>
<MIKTAR>1</MIKTAR>
<BIRIM>Ad.</BIRIM>
<FIYAT>11.16</FIYAT>
<KDV>18</KDV>
</SATIR>
<SATIR>
<KOD>N5YT0352</KOD> // PRODUCT
<VARKOD>VARYAN-KODU-GELECEK</VARKOD>
<MIKTAR>2</MIKTAR>
<BIRIM>Ad.</BIRIM>
<FIYAT>16.74</FIYAT>
<KDV>18</KDV>
</SATIR>
<SATIR>
<KOD>I19YT0051</KOD> // PRODUCT
<VARKOD>VARYAN-KODU-GELECEK</VARKOD>
<MIKTAR>1</MIKTAR>
<BIRIM>Ad.</BIRIM>
<FIYAT>2.33</FIYAT>
<KDV>18</KDV>
</SATIR>
<SATIR>
<KOD>X73YT3148</KOD> // PRODUCT
<VARKOD>VARYAN-KODU-GELECEK</VARKOD>
<MIKTAR>3</MIKTAR>
<BIRIM>Ad.</BIRIM>
<FIYAT>5.12</FIYAT>
<KDV>8</KDV>
</SATIR>
<SATIR>
<KOD>MNG</KOD> // PRODUCT
<VARKOD>VARYAN-KODU-GELECEK</VARKOD>
<MIKTAR>1</MIKTAR>
<BIRIM>Ad.</BIRIM>
<FIYAT>0.00</FIYAT>
<KDV>18</KDV>
</SATIR>
</SATIRLAR>
</SIPARIS>
</SIPARISLER>

How can i do that?
Thanks for helping and trying to help.