China Ritar Power Corp. Announces Name Change from Concept Ventures Corporation

China Ritar Power Corp. Announces Name Change from Concept Ventures Corporation

April 09, 2007

    SHENZHEN, China, April 7 /Xinhua-PRNewswire-FirstCall/
-- Concept Ventures
Corporation (OTC Bulletin Board: CNVN.OB) announced its
official name change
to China Ritar Power Corp. ("Ritar") effective
March 26, 2007. The company has
also changed its ticker symbol to CRTP, effective April 9,
2007.

    Ritar designs, develops, manufactures and markets
environmentally friendly
lead-acid batteries with a wide range of applications and
capacities, and has
a strong presence in the light electrical vehicle (LEV)
segment world wide
with high concentration in that product category throughout
China. Ritar
sells, markets and services six series and 197 models of
Ritar branded,
cadmium-free valve-regulated lead-acid or VRLA batteries.
In addition the
company offers a range of batteries for varying
applications including
Uninterrupted Powers Source (UPS) devices and equipment
used in the harvest of
solar and wind energy.  The name change to "China
Ritar Power Corp." more
accurately reflects the company's current business
operations.

    Mr. Jiada Hu, CEO of Ritar commented, "The Ritar
quality batteries have
already built a widely recognized brand throughout the
Peoples Republic of
China as well as in other markets where there is high
demand and usage of
LEVs. It is important for us to be able to leverage our
current brand
recognition as well as continue to grow this recognition
throughout the
world."

    FORWARD LOOKING STATEMENTS

    This release contains certain "forward-looking
statements" relating to the
business of Ritar and its subsidiary companies, which can
be identified by the
use of forward-looking terminology such as "believes,
expects" or similar
expressions. Such forward looking statements involve known
and unknown risks
and uncertainties, including all business uncertainties
relating to product
development, marketing, concentration in a single customer,
raw material
costs, market acceptance, future capital requirements,
competition in general
and other factors that may cause actual results to be
materially different
from those described herein as anticipated, believed,
estimated or expected.
Certain of these risks and uncertainties are or will be
described in greater
detail in our filings with the Securities and Exchange
Commission. Ritar is
under no obligation to (and expressly disclaims any such
obligation to) update
or alter its forward  looking statements whether as a
result of new
information, future events or otherwise.

    Sheldon Saidman
    (719-548-9963)