All categories
Featured selections
Trade Assurance
Buyer Central
Help Center
Get the app
Become a supplier

A0065427218 เซ็นเซอร์ Nox ยี่ห้อ CNDE ใหม่ รุ่น Continental No. 5WK9 6677 สำหรับรถเบนซ์/รถบรรทุก 12V รับประกัน 1 ปี ใช้ได้กับรถทั่วไป

คะแนนร้านค้า :4.5
(2 รีวิว)

คุณลักษณะ

A0065427218, 5WK9 6677OE NO
ใหม่สภาพ
Guangdong, Chinaสถานที่กำเนิด
สำหรับการเปลี่ยน/ซ่อมแซมความมุ่งหมาย
CNDEชื่อแบรนด์
1 Yearsการประกัน
ชนิด:Nox sensor
หมายเลขรุ่น:A0065427218 5WK9 6677
รถทำความ:for Cummins Truck
OEM NO:A0065427218
Continental No.:5WK9 6677
Voltage:12V
MOQ:5pcs
Quality:100% Tested
Packing:Neutral or Customized Packing
Brand:CNDE
Car Model:for Mercedes BenzTruck
Payment:TT,Paypal,Western Union,Trade Insurance
Delivery time:3-7 Days

ยานยนต์ที่สามารถใช้ได้

ผู้ผลิตรุ่นปีเครื่องยนต์
MERCEDES-BENZSPRINTER 3,5-t Van2006.06-2016.12324 (190KW,258PS)
MERCEDES-BENZACTROS MP4 / MP52013.05-3363 LS (460KW,625PS)
MERCEDES-BENZE-CLASS T-Model2010.07-2016.12E 250 CDI / BlueTEC 4-matic (150KW,204PS)
MERCEDES-BENZSPRINTER 3,5-t Van2011.01-2018.12316 LGT (115KW,156PS)
MERCEDES-BENZACTROS MP2 / MP32008.06-1860 LS (440KW,598PS)
MERCEDES-BENZSK1994.01-1996.093053 S (390KW,530PS)
MERCEDES-BENZLK/LN21984.07-1998.121314 (100KW,136PS)
MERCEDES-BENZE-CLASS Coupe2016.12-E 300 (180KW,245PS)
MERCEDES-BENZSPRINTER 3,5-t Van2009.05-2016.12313 CDI (95KW,129PS)
MERCEDES-BENZSPRINTER 4,6-t Van2009.06-2018.12411 CDI (80KW,109PS)
MERCEDES-BENZAXOR 22004.10-1843 LS, LLS (315KW,428PS)
MERCEDES-BENZE-CLASS T-Model2016.10-2018.05E 350 d (190KW,258PS)
MERCEDES-BENZNG1974.05-1982.081919 S (141KW,192PS)
MERCEDES-BENZMK1994.01-1996.092527 L (230KW,313PS)
MERCEDES-BENZMK1992.09-1996.092527 L (230KW,313PS)
MERCEDES-BENZUNIMOG2013.05-U 530, U 530 L (220KW,299PS)
MERCEDES-BENZANTOS2015.07-2018.123353 LS (390KW,530PS)
MERCEDES-BENZSK1991.05-1996.092531 (230KW,313PS)
MERCEDES-BENZAROCS2015.07-...3346 S(335KW,455PS)
MERCEDES-BENZS-CLASS2013.05-2017.05S 350 BlueTEC / d (190KW,258PS)
MERCEDES-BENZE-CLASS Coupe2010.01-2016.12E 220 CDI / d (125KW,170PS)
MERCEDES-BENZLP1969.10-1977.10LPKF 808, LPKF 809 (63KW,85PS)
MERCEDES-BENZE-CLASS2009.09-2011.08E 350 CDI 4-matic (170KW,231PS)
MERCEDES-BENZC-CLASS T-Model2015.10-2018.05C 200 d (100KW,136PS)
MERCEDES-BENZE-CLASS2020.06-2023.08E 300 de 4-matic (225KW,306PS)
MERCEDES-BENZMK1987.12-1998.122531 L (230KW,313PS)
MERCEDES-BENZC-CLASS2015.10-2018.05C 200 d (100KW,136PS)
MERCEDES-BENZE-CLASS Convertible2010.01-2011.12E 350 CDI (170KW,231PS)
MERCEDES-BENZSPRINTER 4,6-t Van2013.11-2018.12416 CDI 4x4 (120KW,163PS)
MERCEDES-BENZLK/LN21995.08-1998.121317 K (125KW,170PS)
MERCEDES-BENZVITO Tourer2020.04-2020.12124 CDI (176KW,239PS)
MERCEDES-BENZE-CLASS2018.11-2023.10E 300 e (235KW,320PS)
MERCEDES-BENZE-CLASS Coupe2013.06-2016.12E 350 BlueTEC (185KW,252PS)
MERCEDES-BENZNG1979.12-1991.032228 (206KW,280PS)
MERCEDES-BENZAXOR2002.01-2004.101843 LS (315KW,428PS)
MERCEDES-BENZSK1988.07-1994.082629 (218KW,296PS)
MERCEDES-BENZSPRINTER 3-t Platform/Chassis2008.09-2018.12216 (115KW,156PS)
MERCEDES-BENZUNIMOG2000.10-U 500 (205KW,279PS)
MERCEDES-BENZSLK2011.02-350 (225KW,306PS)
MERCEDES-BENZAROCS2013.05-4163 K (460KW,625PS)
MERCEDES-BENZVITO Van2020.04-119 CDI 4x4 (140KW,190PS)
MERCEDES-BENZE-CLASS T-Model2006.05-2009.07350 CGI (215KW,292PS)
MERCEDES-BENZVITO Mixto2015.07-119 BlueTEC 4-matic (140KW,190PS)
MERCEDES-BENZT2/L1972.01-1983.07L 911 (124KW,168PS)
MERCEDES-BENZC-CLASS2015.04-2018.08C 200 4-matic (135KW,184PS)
MERCEDES-BENZANTOS2012.09-2018.123363 LS (460KW,625PS)
MERCEDES-BENZSPRINTER 5-t Bus2009.03-2016.12513 CDI (95KW,129PS)
MERCEDES-BENZE-CLASS Coupe2017.06-E 350 d 4-matic (190KW,258PS)
MERCEDES-BENZE-CLASS T-Model2017.06-2018.05E 350 d 4-matic (190KW,258PS)
MERCEDES-BENZE-CLASS2016.07-2020.06E 300 (180KW,245PS)
MERCEDES-BENZC-CLASS2018.05-2021.05C 300 4-matic (190KW,258PS)
MERCEDES-BENZNG1982.05-1991.032222 (159KW,216PS)
MERCEDES-BENZM-CLASS2005.07-2009.07ML 320 CDI 4-matic (165KW,224PS)
MERCEDES-BENZSPRINTER 5-t Platform/Chassis2006.06-2009.12518 CDI 4x4 (135KW,184PS)
MERCEDES-BENZNG1973.09-1982.081719 K (141KW,192PS)
MERCEDES-BENZE-CLASS2013.01-2015.12E 350 BlueTEC 4-matic (185KW,252PS)
MERCEDES-BENZSPRINTER 3-t Bus2006.06-2016.12213 CDI (95KW,129PS)
MERCEDES-BENZC-CLASS Coupe2018.04-2023.04C 220 d (143KW,194PS)
MERCEDES-BENZVITO Van2015.07-119 CDI / BlueTEC 4x4 (140KW,190PS)
MERCEDES-BENZSPRINTER 4-t Van2018.02-2021.12414 CDI (105KW,143PS)
MERCEDES-BENZS-CLASS2011.04-2013.12S 350 BlueTec (190KW,258PS)
MERCEDES-BENZC-CLASS Convertible2018.04-2023.04C 220 d (143KW,194PS)
MERCEDES-BENZC-CLASS Coupe2018.11-2020.08C 180 (110KW,150PS)
MERCEDES-BENZGLE Coupe2015.03-2019.10350 d 4-matic (190KW,258PS)
MERCEDES-BENZUNIMOG2000.03-U 400 (170KW,231PS)
MERCEDES-BENZSK1989.05-1994.081922 (165KW,224PS)
MERCEDES-BENZS-CLASS2006.10-2013.12S 320 CDI 4-matic (173KW,235PS)
MERCEDES-BENZC-CLASS2015.04-2019.11C 160 (95KW,129PS)
MERCEDES-BENZE-CLASS2016.07-2019.06E 350 e (210KW,286PS)
MERCEDES-BENZE-CLASS2011.01-2015.12E 250 CDI / BlueTEC 4-matic (150KW,204PS)
MERCEDES-BENZSPRINTER 3,5-t Platform/Chassis2009.03-2016.12310 CDI (906.131, 906.133, 906.135, 906.231, 906.233,... (70KW,95PS)
MERCEDES-BENZAXOR 22011.01-1835 LS (260KW,354PS)
MERCEDES-BENZM-CLASS2006.02-2009.09ML 420 CDI 4-matic (225KW,306PS)
MERCEDES-BENZS-CLASS2009.06-2013.12S 350 CDI (173KW,235PS)
MERCEDES-BENZVITO Mixto2019.09-114 CDI (100KW,136PS)
MERCEDES-BENZSPRINTER 4,6-t Platform/Chassis2009.03-2018.12419 CDI (140KW,190PS)
MERCEDES-BENZE-CLASS2016.01-2019.05E 200 (135KW,184PS)
MERCEDES-BENZM-CLASS2011.06-2015.12ML 350 4-matic (225KW,306PS)
MERCEDES-BENZSPRINTER 5-t Platform/Chassis2008.09-2018.12516 NGT (115KW,156PS)
MERCEDES-BENZATEGO 22004.10-2014.121226, 1226 L (188KW,256PS)
MERCEDES-BENZVITO Tourer2021.01-124 CDI 4-matic (174KW,237PS)
MERCEDES-BENZC-CLASS Coupe2018.07-2023.04C 300 d 4-matic (180KW,245PS)
MERCEDES-BENZV-CLASS2015.03-V 220 CDI / d 4-matic (120KW,163PS)
MERCEDES-BENZE-CLASS2016.09-2019.06E 350 e (235KW,320PS)
MERCEDES-BENZSPRINTER 3-t Bus2006.06-2013.12224 (190KW,258PS)
MERCEDES-BENZSK1992.06-1996.092631 (250KW,340PS)
MERCEDES-BENZACTROS MP4 / MP52015.07-3353 LS (390KW,530PS)
MERCEDES-BENZSK1987.07-1996.093233 (250KW,340PS)
MERCEDES-BENZC-CLASS T-Model2018.05-2021.02C 220 d 4-matic (143KW,194PS)
MERCEDES-BENZS-CLASS2005.10-2013.12S 350 (200KW,272PS)
MERCEDES-BENZT2/L1959.01-1995.01LK 2628 (206KW,280PS)
MERCEDES-BENZMARCO POLO Camper2019.03-250 CDI 4-matic (140KW,190PS)
MERCEDES-BENZACTROS1997.04-2002.101857 LS (420KW,571PS)
MERCEDES-BENZR-CLASS2009.07-2012.12R 350 CDI 4-matic (165KW,224PS)
MERCEDES-BENZNG1985.12-1987.073025 B (206KW,280PS)
MERCEDES-BENZATEGO1998.04-2004.09918 K (130KW,177PS)
MERCEDES-BENZNG1984.04-1991.031614 (100KW,136PS)
MERCEDES-BENZSPRINTER 3,5-t Platform/Chassis2008.09-2018.12316 NGT (115KW,156PS)
MERCEDES-BENZACTROS1996.04-2002.102048 AS (350KW,476PS)
MERCEDES-BENZSPRINTER 3-t Bus2006.06-2009.12215 CDI (110KW,150PS)
MERCEDES-BENZSPRINTER 3-t Platform/Chassis2009.03-2018.12219 CDI / BlueTEC (140KW,190PS)
MERCEDES-BENZSPRINTER 4,6-t Platform/Chassis2006.06-2009.12418 CDI (135KW,184PS)
MERCEDES-BENZATEGO 32017.04-2124 (175KW,238PS)
MERCEDES-BENZLP1977.11-1984.12LPKF 709 (63KW,85PS)
MERCEDES-BENZC-CLASS2019.07-2021.05C 300 e 4-matic (235KW,320PS)
MERCEDES-BENZVITO Tourer2014.12-119 CDI / 119 BlueTEC 4-matic (447.701, 447.703,... (140KW,190PS)
MERCEDES-BENZNG1979.12-1981.032228 F (206KW,280PS)
MERCEDES-BENZAROCS2014.01-2563 L (460KW,625PS)
MERCEDES-BENZSPRINTER 4,6-t Van2016.04-2018.12411 CDI (84KW,114PS)
MERCEDES-BENZATEGO 22004.10-929 K (210KW,286PS)
MERCEDES-BENZSPRINTER 4,6-t Platform/Chassis2006.06-2016.12424 (190KW,258PS)
MERCEDES-BENZE-CLASS Coupe2021.01-E 300 d 4-matic (195KW,265PS)
MERCEDES-BENZC-CLASS2015.02-2018.08C 350 e (205KW,279PS)
MERCEDES-BENZSPRINTER 5-t Van2009.03-2018.12519 CDI / BlueTEC 4x4 (140KW,190PS)
MERCEDES-BENZNG1975.09-1984.091219 F (141KW,192PS)
MERCEDES-BENZE-CLASS2009.01-2016.12E 250 CDI / BlueTEC (150KW,204PS)
MERCEDES-BENZVITO Mixto2014.10-119 BlueTEC (140KW,190PS)
MERCEDES-BENZC-CLASS2014.05-2018.05C 300 BlueTEC Hybrid / h (170KW,231PS)
MERCEDES-BENZGLE2015.04-2018.10350 d 4-matic (190KW,258PS)
MERCEDES-BENZC-CLASS T-Model2015.09-2018.05C 300 (180KW,245PS)
MERCEDES-BENZE-CLASS T-Model2015.05-2016.12E 220 BlueTEC (130KW,177PS)
MERCEDES-BENZE-CLASS2016.01-2019.06E 180 (115KW,156PS)
MERCEDES-BENZE-CLASS Convertible2013.06-2016.12E 350 BlueTEC (185KW,252PS)
MERCEDES-BENZGLS2015.11-2019.04350 d 4-matic (190KW,258PS)
MERCEDES-BENZMK1987.12-1996.092534 L (230KW,313PS)
MERCEDES-BENZSPRINTER 3,5-t Platform/Chassis (B906)2011.06-2016.12311 CDI (906.133, 906.135)(85KW,116PS)
MERCEDES-BENZE-CLASS2011.12-2016.12E 300 Hybrid / BlueTEC Hybrid (150KW,204PS)
MERCEDES-BENZVITO Tourer2020.04-124 CDI 4-matic (176KW,239PS)
MERCEDES-BENZACTROS MP2 / MP32002.10-1858 LS (425KW,578PS)
MERCEDES-BENZSPRINTER 3-t Van2009.03-2018.12219 CDI / BlueTEC (140KW,190PS)
MERCEDES-BENZE-CLASS T-Model2011.07-2013.12E 350 CDI 4-matic (195KW,265PS)
MERCEDES-BENZSPRINTER 5-t Bus (B906)2011.06-2020.09515 CDI (906.655, 906.657)(110KW,150PS)
MERCEDES-BENZSPRINTER 4,6-t Platform/Chassis2016.05-2018.12414 CDI (105KW,143PS)
MERCEDES-BENZNG1973.08-1996.122425 L (184KW,250PS)
MERCEDES-BENZNG1973.08-1996.092235,2235 L (260KW,354PS)
MERCEDES-BENZSPRINTER 3-t Bus2009.03-2018.12216 (115KW,156PS)
MERCEDES-BENZE-CLASS T-Model2014.07-2016.12E 350 BlueTEC 4-matic (190KW,258PS)
MERCEDES-BENZSPRINTER 3,5-t Bus2012.04-2019.12309 CDI (65KW,88PS)
MERCEDES-BENZC-CLASS T-Model2015.02-2018.05C 350 e (205KW,279PS)
MERCEDES-BENZNG1976.02-1984.121013 S (96KW,130PS)
MERCEDES-BENZSPRINTER 3-t Platform/Chassis2006.06-2009.12218 CDI (135KW,184PS)
MERCEDES-BENZSLC2018.06-AMG SLC 43 (287KW,390PS)
MERCEDES-BENZLP1963.09-1984.12LPS 709, LPLS 709 (63KW,85PS)
MERCEDES-BENZSPRINTER 4,6-t Platform/Chassis2016.04-2018.12411 CDI (84KW,114PS)
MERCEDES-BENZECONIC 22014.09-2630 LL CNG (222KW,302PS)
MERCEDES-BENZSPRINTER 3,5-t Van2018.02-2021.12314 CDI (105KW,143PS)
MERCEDES-BENZCLS2006.04-2010.12CLS 350 (215KW,292PS)
MERCEDES-BENZS-CLASS2006.08-2013.12S 300 (170KW,231PS)
MERCEDES-BENZSPRINTER 4,6-t Van2009.03-2018.12419 CDI (140KW,190PS)
MERCEDES-BENZC-CLASS Convertible2018.07-2019.11C 200 d (118KW,160PS)
MERCEDES-BENZC-CLASS T-Model2019.05-2021.02C 300 de (225KW,306PS)
MERCEDES-BENZS-CLASS2014.02-2017.05S 350 BlueTEC 4-matic (185KW,252PS)
MERCEDES-BENZE-CLASS T-Model2009.08-2014.08E 220 CDI (120KW,163PS)
MERCEDES-BENZAROCS2015.07-4163 AK (460KW,625PS)
MERCEDES-BENZSPRINTER 5-t Platform/Chassis2016.05-2018.12514 CDI 4x4 (105KW,143PS)
MERCEDES-BENZE-CLASS T-Model2009.11-2013.12E 350 BlueTEC (155KW,211PS)
MERCEDES-BENZE-CLASS T-Model2009.11-2016.12E 300 CDI / BlueTEC (170KW,231PS)
MERCEDES-BENZE-CLASS Convertible2017.06-E 350 d 4-matic (190KW,258PS)
MERCEDES-BENZE-CLASS T-Model2021.01-2023.10E 300 d 4-matic (195KW,265PS)
MERCEDES-BENZNG1980.02-1991.033328 (206KW,280PS)
MERCEDES-BENZS-CLASS2009.01-2013.12S 450 CDI (235KW,320PS)
MERCEDES-BENZMK1992.08-1996.091824 (180KW,245PS)
MERCEDES-BENZE-CLASS2007.09-2008.12E 350 CGI (215KW,292PS)
MERCEDES-BENZSPRINTER 3,5-t Platform/Chassis2006.06-2016.05313 CDI (906.131, 906.133, 906.135, 906.231, 906.233,... (95KW,129PS)
MERCEDES-BENZVITO Mixto2020.04-2020.12124 CDI 4-matic (176KW,239PS)
MERCEDES-BENZE-CLASS Coupe2011.06-2013.06E 350 CDI (195KW,265PS)
MERCEDES-BENZC-CLASS2014.03-2021.03C 180 (115KW,156PS)
MERCEDES-BENZSPRINTER 3,5-t Van2016.05-2018.12314 CDI 4x4 (105KW,143PS)
MERCEDES-BENZVITO Mixto2021.01-124 CDI 4-matic (174KW,237PS)
MERCEDES-BENZNG1987.07-1991.033228 B (206KW,280PS)
MERCEDES-BENZC-CLASS T-Model2015.04-2018.05C 220 d 4-matic (125KW,170PS)
MERCEDES-BENZC-CLASS2019.06-2021.05C 180 (115KW,156PS)
MERCEDES-BENZSLK2012.01-250 CDI / d (150KW,204PS)
MERCEDES-BENZNG1982.05-1991.121428 F (206KW,280PS)
MERCEDES-BENZSPRINTER 3,5-t Platform/Chassis2011.01-2018.12316 LGT (115KW,156PS)
MERCEDES-BENZR-CLASS2006.05-2012.12R 280 CDI 4-matic (140KW,190PS)
MERCEDES-BENZAROCS2016.03-3253 L (390KW,530PS)
MERCEDES-BENZSPRINTER 5-t Platform/Chassis2009.03-2016.12510 CDI (70KW,95PS)
MERCEDES-BENZSPRINTER 5-t Platform/Chassis2009.03-2018.12519 CDI / BlueTEC 4x4 (906.153, 906.155, 906.253,... (140KW,190PS)
MERCEDES-BENZSPRINTER 3-t Van2009.03-2016.12210 CDI (70KW,95PS)
MERCEDES-BENZC-CLASS2018.06-2021.05C 300 d 4-matic (180KW,245PS)
MERCEDES-BENZSPRINTER 3,5-t Bus2011.08-2018.12316 CDI 4x4 (120KW,163PS)
MERCEDES-BENZVITO Tourer2019.09-114 CDI (100KW,136PS)
MERCEDES-BENZNG1975.09-1984.121413 (96KW,130PS)
MERCEDES-BENZANTOS2013.05-2018.123363 LS (460KW,625PS)
MERCEDES-BENZANTOS2012.07-2018.123351 LS (375KW,510PS)
MERCEDES-BENZNG1975.05-1984.121417 KO (124KW,168PS)
MERCEDES-BENZE-CLASS T-Model2020.08-2023.08E 450 EQ Boost (270KW,367PS)
MERCEDES-BENZSPRINTER 4,6-t Van (B906)2011.06-2020.09415 CDI (906.631, 906.633, 906.635, 906.655)(110KW,150PS)
MERCEDES-BENZACTROS MP4 / MP52014.01-1863 LS (460KW,626PS)
MERCEDES-BENZGLC Coupe2016.10-2019.04350 d 4-matic (190KW,258PS)
MERCEDES-BENZSPRINTER 3,5-t Van2006.06-2009.12318 CDI (135KW,184PS)
MERCEDES-BENZMARCO POLO Camper2019.03-2020.12300 CDI 4-matic (176KW,239PS)
MERCEDES-BENZSPRINTER 3,5-t Platform/Chassis2009.03-2018.12319 CDI / BlueTEC 4x4 (906.131, 906.133, 906.135,... (140KW,190PS)
MERCEDES-BENZNG1973.08-1982.081932 K (235KW,320PS)
MERCEDES-BENZVITO Mixto2021.10-110 CDI (75KW,102PS)
MERCEDES-BENZSPRINTER 5-t Platform/Chassis (B906)2011.06-2019.12515 CDI (906.155)(110KW,150PS)
MERCEDES-BENZM-CLASS2012.08-2015.02ML 300 4-matic (185KW,252PS)
MERCEDES-BENZS-CLASS2008.02-2013.12S 350 4-matic (200KW,272PS)
MERCEDES-BENZM-CLASS2005.07-2011.07ML 320 CDI 4-matic (155KW,211PS)

คุณสมบัติที่สำคัญ

OE NO
A0065427218, 5WK9 6677
สภาพ
ใหม่
สถานที่กำเนิด
Guangdong, China
ความมุ่งหมาย
สำหรับการเปลี่ยน/ซ่อมแซม
ชื่อแบรนด์
CNDE
การประกัน
1 Years
ชนิด
Nox sensor
หมายเลขรุ่น
A0065427218 5WK9 6677
รถทำความ
for Cummins Truck
OEM NO
A0065427218
Continental No.
5WK9 6677
Voltage
12V
MOQ
5pcs
Quality
100% Tested
Packing
Neutral or Customized Packing
Brand
CNDE
Car Model
for Mercedes BenzTruck
Payment
TT,Paypal,Western Union,Trade Insurance
Delivery time
3-7 Days

บรรจุภัณฑ์และการนำส่ง

ขายหน่วย
รายการเดียว
แพคเกจเดียวขนาด
10X8X6 ซม.
เดี่ยวน้ำหนักรวม
5.000 กก.

ระยะเวลารอสินค้า

คำอธิบายผลิตภัณฑ์จากซัพพลายเออร์

5 - 49 ชิ้น
฿5,011.42
50 - 99 ชิ้น
฿4,849.76
>= 100 ชิ้น
฿4,688.10

จำนวน

การจัดส่ง

โซลูชันการจัดส่งสำหรับปริมาณที่เลือกไม่มีให้บริการในขณะนี้
ยอดรวมสินค้า
฿0.00
ค่าจัดส่งทั้งหมด
รอการต่อรอง
ยอดรวมย่อย
฿0.00
ผ่อนชำระ 4 งวด 0% ด้วย

การคุ้มครองคำสั่งซื้อ Alibaba.com

การชำระเงินที่ปลอดภัย

ทุกการชำระเงินที่คุณทำบน Alibaba.com มีความปลอดภัยด้วยการเข้ารหัส SSL และโปรโตคอลการป้องกันข้อมูล PCI DSS ที่เข้มงวด

การคุ้มครองการคืนเงิน

รับเงินคืนหากคำสั่งซื้อไม่ถูกจัดส่ง สูญหาย หรือสินค้ามาถึงพร้อมกับปัญหาด้านคุณภาพ