Exhibit 4.53


English Translation for Reference Only


  


IN-DOOR WORKPLACE LEASE AGREEMENT


 


PARTIES


 





	USER	 	
        CSUN EURASIA ENERGY SYSTEMS
        INDUSTRY AND TRADE INC. CO.

        (CSUN EURASIA ENERJI SYSTEMERI SAN.
        VE TIC. A.S.)

	 	 	 
	HEAD OFFICE ADDRESS	 	Istanbul Endustri ve Ticaret Serbest Bolgesi Akif Kopuz Cad. T-10 Parsel, B Blok, Kat: 1, 34957 Tuzla - ISTANBUL
	 	 	 
	
         

         

        LESSOR

         
	 	
        DASBAS – ISTANBUL INDUSTRY AND
        FREE TRADE ZONE FOUNDER AND OPERATOR INC. CO. TUZLA / ISTANBUL

        (DESBAS - ISTANBUL ENDUSTRI VE TICARET
        SERBEST BOLGESI KURUCU VE ISLETICISI A.S. TUZLA / ISTANBUL)








  


INDOOR WORKPLACE RENTED


 





	ZONE	 	ISTANBUL ENDUSTRI VE TICARET SERBEST BOLGESI
	 	 	 
	WORKPLACE NO	 	DESBAS 6 Binası B Blok Kat: 1 - Zemin - Bodrum 1
	 	 	 
	SURFACE AREA OF WORKPLACE (GROSS)	 	13,334 m2







 


RENTAL FEE AND DURATION


 





	MONTHLY RENTAL FEE	 	$80.000 
	 	 	 
	DATE OF COVENANT COMMENCEMENT	 	12.11.2012
	 	 	 
	CONTRACTUAL PERIOD	 	Operating License is as specified in the license.







 


		1.	INDOOR WORKPLACE LOCALITY:



 


It is the indoor independent sections pertaining
to DESBAS situated in the Istanbul Industry and Trade Free Zone.


 




    	 



    	 



    

 


		2.	USAGE PURPOSE OF IN DOOR WORKPLACE:



 


The indoor workplace (excluding the ones
rented to be an office) can be used for storage and / or production of in-coming goods solely in the name of company. The penthouse
of the building shall be used by the company on no-charge basis.


 


Even being in its closed packing, any commodities
that are flammable and explosive, dispersing heavy odors, possessing this environment – polluting features are strictly not
acceptable to the commodity storage locations.


 


If these properties are found out later
on, immediate evacuation of the depot is requested by the commodity owner. The user has the obligation of having its goods insured
against damages which might emanate from the commodities which were stored in the outdoor areas.


 


		3.	RENTAL SERVICE FEES AND ADVANCE PAYMENTS:



 


The lease payments will start on 01.01.2013.
Starting from 3 years later than the date of agreement signature, the rent increase shall be made at the rate of USA consumer price
index annually.


 


The indoor workplace rent and service costs
(loading – unloading, water, electric, purification etc.) are paid on the payment terms and measurement basis specified in
“DESBAS Rent and Service Tariffs". The fees received maybe increased at maximum rate of 10% upon approval by the Undersecretariat
annually.


 


Regarding the matters of which are not
paid within their time, provision of Clause – 574 of Debts Law is exercised.


 


In no ways, the owner of commodities may
suspend or postponed their payments. The duration of this lease agreement is the same as its period of “Operating License”
and it can be extended upon existence of required conditions upon mutual agreement of both parties.


 


		4.	DEFAULT STATE:



 


In case where the User fell into default
after non-payment of rent cost, following provisions are applied:


 


		-	Annually 12 percent of default interest is applied over the amount of debt matured against the
user. In addition, a penal clause at the rate of 10 percent of the price related to the current rental period is accrued.



 


		-	Within a 30 day – period recognized to himself in process of notice or enforcement proceeding
follow up, in case where the User did not paid all types of rental and service liability together with all of their accessorial
rights, together with its concrete evidences, pertinent situation is notified to Free Zones General Directorate through mediation
of Regional Directorate with a can collation request for its “Operating License”. The provisions of rent law numbered
6098 are reserved.



 




    	 



    	 



    

 


		5.	RULES REQUIRED TO BE COMPLIED:



 


The User is obliged to comply with laws,
decrees, regulation provisions, the circulars and instructions of Ministry of Economy, general Directorate of Free Zones Abroad
Investments and Services, Regional Directorate and DESBAS. In addition, it is mandatory for the tenant to keep the rented space
clean and well-maintained. The User is liable for making payment of individual and joint general expenses related to the charges
in exchange of heating, cleaning, repair, maintenance, illumination, water, electricity, communication, security, loading –
unloading supervision, common personnel and similar services provided by DESBAS at the ratio of the usable surface area to DESBAS.


 


The User cannot fulfill execution of said
services and works without obtaining consent of DESBAS in writing; nor can it demand and obtain them from third persons.


 


		6.	RESPONSIBILITY



 


At the workplace it has rented, the User
is obliged to take all types of safety and health precautions and to comply with the orders and instructions related to arrangement,
operating mode and procedure of Zone to be determined by DESBAS and Regional Directorate and to get its assets insures against
fire and other risks. The User is liable for all in-coming and out-going goods, behavior, acts and transactions of its workers
and staff members, customers, vehicles transporting passengers and cargo at said workplace, machinery and equipments it uses and
damages caused by all of these to the infrastructural and the superstructure facilities of DESBAS and to third persons and properties
and interests of these persons against DASBAS and Regional Directorate.


 


IN THE EVENT OF USING THE GENERAL DEPOTS:


 


The owner of commodity declares and agrees
in advance that DESBAS shall not be in no way responsible for the deterioration and damage to the goods stored at the general depots
(including also the natural disasters such as fire, infestation, evaporation, decay, fire, flood, etc.). Evacuation of the assets
can be requested by DESBAS in occurrence of events in question.


 


The type, unit of issue and quantity declared
and specified in the invoices of the goods will be exactly accepted by DESBAS being packaged in form of cartons, boxes, pallets,
barrels etc. and taken to the general depots (the goods which are not delivered after being repaired or taped; including damaged
packing such as broken, torn, perforated and the like). During delivery of goods to the User company shall be responsible for any
shortages or excess, other than difference in type and / or declared input quantities. The unit prices and amounts of commodities
of the User or the companies holding a warehouse usage certificate do not in no ways bind DESBAS.


 




    	 



    	 



    

 


		7.	TRANSFER



 


The User cannot assign and endorse the
workplace it has hired with this agreement and recognize facility to be operated, utilized and benefitted in no way and form by
a third persons, either private persons and legal entities, even partially.


 


		8.	DAMAGE AND SECURITY



 


The User is obliged to take necessary measures
against fire, other risks and damages to third parties, which might occur emanating from the goods at said workplace and fulfill
its liability by getting them insured.


 


The User is responsible for the theft,
loss, deformation, damages which might take place due to not having taken necessary safety measures for the goods it had placed
into the workplace or natural disasters such as flood etc. and it declares and commits in advance that DESBAS would not be in no
way and form responsible due to these matters.


 


		9.	TERMINATION OF CONTRACT



 


This indoor workplace lease agreement shall
be automatically cancelled due to expiry of the period determined, expiry of Operating License term or cancellation of Operating
License due to the circumstances specified in the Regulation, without any further need for communicating a warning or advice letter.


 


		10.	CIRCULARS



 


The User is obliged to abide the circulars
and written instructions and orders to be issued by Regional Directorate or top authorities.


 


		11.	COMPETENT AUTHORITIES IN OCCURRENCE OF DISPUTE:



 


In settlement of disputes which might emanate
from execution of this agreement, firstly Istanbul Industry and Trading Free Zone Director is authorized, in failure of reaching
an agreement, Istanbul Courts and Execution Offices are empowered.


 


		12.	APPROVAL



 


This indoor workplace lease agreement takes
effect upon being signed by the parties and as from the date of approval by the Regional Director.


 




    	 



    	 



    

 


		13.	OTHER PROVISIONS



 


On other matters not contained in this
indoor workplace lease agreement, the provisions of Laws and Regulations and the “Agreement” concluded between DESBAS
and Ministry of Economy, General Directorate of Free Zones Abroad Investments and Services apply.


 


However, the principles specified in this
agreement constitute the vested rights in respect of the parties herein.


 


		15.	APPLICABLE LANGUAGE



 


This agreement has been issued in Turkish
language and in existence of text of the same lease agreement translated in English language upon request by the User as to bear
signature of both parties, regarding the settlement of disputes which might arise, Text in Turkish language shall prevail.


 


		16.	LAST ARTICLE



 


This agreement consisting of 16 articles
including this article has been issued and signed between parties in 4 (four) copies.


 


Joint Debtor, Joint Guarantor


 


(Bail is valid until the actual evacuation.)


 


NAME..............................:


 


SIGNATURE....................:


 


/s/ CSUN EURASIA ENERGY SYSTEMS
INDUSTRY AND TRADE INC. CO.LTD


 


/s/ DASBAS-ISTANBUL INDUSTRY AND FREE
ZONE FOUNDER AND OPERATOR INC. CO. TUZLA/ISTANBUL.


 


	USER	DESBAS


  


(Signatures and Initials of Interested Authorities)