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| Brand Name: Sourcelight or OEM | Certification: CE/FCC/RoHS/TUV/UL | 
| Model Number: Qsfp-40g-Sr4-Bd | Minimum Order Quantity: 1PCS | 
| Delivery Time: Shipped in 1 days after PO confirmed | Payment Terms: L/C, D/A, D/P, T/T, Western Union, MoneyGram | 
| Sourcelight Technology Limited [Guangdong] | |
| Active Member | |
| Brand Name: Finisar | Certification: ROHS | 
| Model Number: FTL4C1QL1C | Minimum Order Quantity: 1 | 
| Delivery Time: 3-4 days | Payment Terms: L/C, T/T, Western Union, MoneyGram, D/A | 
| TOPSTAR TECHNOLOGY INDUSTRIAL CO., LIMITED [China] | |
| Verified Supplier | |
| Brand Name: cisco | Certification: CE | 
| Model Number: QSFP 40G SR4 S | Minimum Order Quantity: 1pc | 
| Delivery Time: 1-3 working day | Payment Terms: T/T | 
| Sinanova Equipment Co., Ltd [Shanghai,China] | |
| Verified Supplier | |
| Brand Name: Sopto | Certification: CE RoHS FCC | 
| Model Number: SPT-Q40G-SR4 | Minimum Order Quantity: 1pcs | 
| Delivery Time: 5-8 days | Payment Terms: L/C, T/T,Paypal, D/P | 
| Shenzhen Sopto Technology Co., Ltd [Guangdong,China] | |
| Verified Supplier | |
| Brand Name: HILINK | Certification: CE FCC Rohs | 
| Model Number: HL-QSFP-SR-BD | Minimum Order Quantity: 1pc | 
| Delivery Time: 3-5 Working Days | Payment Terms: T/T, Western Union, MoneyGram,Paypal | 
| Shenzhen HiLink Technology Co.,Ltd. [Guangdong,China] | |
| Verified Supplier | |
| Brand Name: OE | Certification: ISO9001 | 
| Model Number: QSFP+ 40G 1550 40KM CWDM | Minimum Order Quantity: 1pcs | 
| Delivery Time: 5-8 work days | Payment Terms: T/T | 
| Wuhan Ouyi Optoelectronic Technology Co., Ltd. [Hubei,China] | |
| Verified Supplier | |
| Brand Name: Fiberall or OEM | Certification: CE,FCC, ROHS | 
| Model Number: FA-TCQ40M85-0.3 | Minimum Order Quantity: 10pcs | 
| Delivery Time: 3-5 days | Payment Terms: L/C,T/T,Western Union, MoneyGram,PayPal | 
| Fiberall Technology (Shenzhen) Co., Ltd [Guangdong,China] | |
| Active Member | |
| Brand Name: HUAWEI | Certification: CE | 
| Model Number: QSFP-40G-CSR4 | Place of Origin: CHINA | 
| Name: Cisco QSFP-40G-CSR4 | Connector Type: LC/SC/FC/ST/MU/MTP/MPO | 
| LonRise Equipment Co. Ltd. [Shanghai,China] | |
| Verified Supplier | |
| Brand Name: Cisco | Model Number: QSFP-40G-SR-BD | 
| Minimum Order Quantity: 1 | Payment Terms: L/C, D/A, T/T, D/P, Western Union, MoneyGram | 
| Place of Origin: USA | Packaging Details: common package | 
| Shenzhen Bo-Net Technology Co., Ltd. [Guangdong,China] | |
| Active Member | |
| Brand Name: DONGWE | Certification: CE, FCC, RoHS | 
| Model Number: DW-D4085-01CQ | Minimum Order Quantity: 1 piece | 
| Delivery Time: 3-7 working days | Payment Terms: T/T | 
| Hongkong Dongwe Technologies Co., Ltd [Guangdong] | |
| Active Member | |
| Brand Name: MODULELAND | Certification: CE RoHS FCC TUV | 
| Model Number: TQPL06D | Minimum Order Quantity: 1 Piece | 
| Place of Origin: Hanoi, Vietnam | Price: Negotiable | 
| Moduleland Technology Co., Ltd. [Guangdong,China] | |
| Active Member | |
| Brand Name: Fibery | Certification: ISO9001 | 
| Model Number: QSFP-40G-SR4 | Minimum Order Quantity: 1Pcs | 
| Delivery Time: 3-6 work days | Payment Terms: T/T, L/C, Western Union, MoneyGram,Paypal | 
| Shenzhen Fibery Photoelectron Technology Ltd., [Guangdong,China] | |
| Verified Supplier | |
| Brand Name: OLKOPTO | Certification: ISO9001,ISO14001,OHSAS18001 | 
| Model Number: OLSQxx4XL-CD10 | Minimum Order Quantity: 1pcs | 
| Delivery Time: 3-5 working days | Payment Terms: TT/Net 30days | 
| Shenzhen Olinkcom Technology Co.,Ltd [China] | |
| Verified Supplier | |
| Brand Name: JRT | Certification: FDA/ISO9001/CE/FCC/ROHS | 
| Model Number: U85-xy004 | Minimum Order Quantity: 1 pcs | 
| Delivery Time: 1-3 working days | Payment Terms: Western Union, paypal, T/T | 
| Chengdu JRT Meter Technology Co., Ltd. [Sichuan,China] | |
| Active Member | |
| Brand Name: JRT | Certification: FDA/ISO9001/CE/FCC/ROHS | 
| Model Number: M701A | Minimum Order Quantity: 1 pcs | 
| Delivery Time: 1-3 working days | Payment Terms: Western Union, paypal, T/T | 
| Chengdu JRT Meter Technology Co., Ltd. [Sichuan,China] | |
| Active Member | |
| Brand Name: Linkopto | Certification: CE RoHS | 
| Model Number: QSFP-40G-SR4 | Minimum Order Quantity: 1pcs | 
| Delivery Time: 5-8 work days | Payment Terms: L/C, T/T, Western Union | 
| Shenzhen linkopto Technology Co. Ltd [Guangdong,China] | |
| Active Member | |
| Brand Name: Mray | Certification: CE, FCC, RoHs, ISO9001 | 
| Model Number: QSFP-40G-LR4 | Minimum Order Quantity: 1 piece | 
| Delivery Time: 1~2 days for samples | Payment Terms: T/T, Western Union, L/C | 
| Shenzhen Miray Communication Technology Co., Ltd. [China] | |
| Active Member | |
| Brand Name: Gvdlink | Certification: CE,ROHS,FCC | 
| Model Number: GVD-QSFP-40G-ER4 | Minimum Order Quantity: 1pcs | 
| Delivery Time: 1-5 working days | Payment Terms: T/T, Western Union, MoneyGram, L/C,Paypal | 
| Shenzhen Gaveid communication Technology Co.,Ltd [Guangdong,China] | |
| Verified Supplier | |
| Minimum Order Quantity: 1 | Place of Origin: China | 
| FIBERMALL CO.,LIMITED [Hongkong,China] | |
| Active Member | |
| Brand Name: E-link | Certification: CE,FCC,RoHs | 
| Model Number: LNK-QSFP-IR4 | Minimum Order Quantity: 1 pcs | 
| Delivery Time: 7 Working days | Payment Terms: Western Union, L/C, T/T, MoneyGram, Paypal | 
| E-link China Technology Co., Ltd. [Guangdong,China] | |
| Verified Supplier | |